2500616910520 has 128 divisors (see below), whose sum is σ = 5798901715200. Its totient is φ = 969927727104.

The previous prime is 2500616910461. The next prime is 2500616910601. The reversal of 2500616910520 is 250196160052.

It is a self number, because there is not a number n which added to its sum of digits gives 2500616910520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285682464 + ... + 285691216.

It is an arithmetic number, because the mean of its divisors is an integer number (45303919650).

Almost surely, 2^{2500616910520} is an apocalyptic number.

2500616910520 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 2500616910520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2899450857600).

2500616910520 is an abundant number, since it is smaller than the sum of its proper divisors (3298284804680).

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

2500616910520 is a wasteful number, since it uses less digits than its factorization.

2500616910520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9989 (or 9985 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 2500616910520 in words is "two trillion, five hundred billion, six hundred sixteen million, nine hundred ten thousand, five hundred twenty".