5501123112540 has 192 divisors, whose sum is σ = 16947725598720. Its totient is φ = 1322168520960.

The previous prime is 5501123112461. The next prime is 5501123112601. The reversal of 5501123112540 is 452113211055.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5501123112498 and 5501123112507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 122270889 + ... + 122315871.

It is an arithmetic number, because the mean of its divisors is an integer number (88269404160).

Almost surely, 2^{5501123112540} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5501123112540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8473862799360).

5501123112540 is an abundant number, since it is smaller than the sum of its proper divisors (11446602486180).

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

5501123112540 is a wasteful number, since it uses less digits than its factorization.

5501123112540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46592 (or 46590 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 5501123112540 its reverse (452113211055), we get a palindrome (5953236323595).

The spelling of 5501123112540 in words is "five trillion, five hundred one billion, one hundred twenty-three million, one hundred twelve thousand, five hundred forty".