2500825251816 has 96 divisors (see below), whose sum is σ = 6780983040000. Its totient is φ = 832634871552.

The previous prime is 2500825251779. The next prime is 2500825251871. The reversal of 2500825251816 is 6181525280052.

2500825251816 is a `hidden beast` number, since 2 + 5 + 0 + 0 + 82 + 52 + 518 + 1 + 6 = 666.

It is a super-2 number, since 2×2500825251816² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 427561660 + ... + 427567508.

It is an arithmetic number, because the mean of its divisors is an integer number (70635240000).

Almost surely, 2^{2500825251816} is an apocalyptic number.

It is an amenable number.

2500825251816 is an abundant number, since it is smaller than the sum of its proper divisors (4280157788184).

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

2500825251816 is a wasteful number, since it uses less digits than its factorization.

2500825251816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11783 (or 11776 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 45.

The spelling of 2500825251816 in words is "two trillion, five hundred billion, eight hundred twenty-five million, two hundred fifty-one thousand, eight hundred sixteen".