2522131555140 has 384 divisors, whose sum is σ = 8409526272000. Its totient is φ = 625631081472.

The previous prime is 2522131555129. The next prime is 2522131555201. The reversal of 2522131555140 is 415551312252.

2522131555140 is a `hidden beast` number, since 2 + 5 + 2 + 2 + 131 + 5 + 5 + 514 + 0 = 666.

It is a super-2 number, since 2×2522131555140² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2522131555095 and 2522131555104.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 658002664 + ... + 658006496.

It is an arithmetic number, because the mean of its divisors is an integer number (21899808000).

Almost surely, 2^{2522131555140} is an apocalyptic number.

2522131555140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2522131555140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4204763136000).

2522131555140 is an abundant number, since it is smaller than the sum of its proper divisors (5887394716860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2522131555140 is a wasteful number, since it uses less digits than its factorization.

2522131555140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016 (or 5008 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 2522131555140 its reverse (415551312252), we get a palindrome (2937682867392).

The spelling of 2522131555140 in words is "two trillion, five hundred twenty-two billion, one hundred thirty-one million, five hundred fifty-five thousand, one hundred forty".