2501542396500 has 384 divisors, whose sum is σ = 8526233124864. Its totient is φ = 558129600000.

The previous prime is 2501542396499. The next prime is 2501542396511. The reversal of 2501542396500 is 56932451052.

It is a happy number.

It is a super-2 number, since 2×2501542396500² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 75278889 + ... + 75312111.

It is an arithmetic number, because the mean of its divisors is an integer number (22203732096).

Almost surely, 2^{2501542396500} is an apocalyptic number.

2501542396500 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 2501542396500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4263116562432).

2501542396500 is an abundant number, since it is smaller than the sum of its proper divisors (6024690728364).

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

2501542396500 is a wasteful number, since it uses less digits than its factorization.

2501542396500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33424 (or 33412 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 2501542396500 in words is "two trillion, five hundred one billion, five hundred forty-two million, three hundred ninety-six thousand, five hundred".