25155235402152 has 64 divisors (see below), whose sum is σ = 67283200891200. Its totient is φ = 7813532989440.

The previous prime is 25155235402079. The next prime is 25155235402229. The reversal of 25155235402152 is 25120453255152.

It is a super-2 number, since 2×25155235402152² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452144233 + ... + 452199864.

It is an arithmetic number, because the mean of its divisors is an integer number (1051300013925).

Almost surely, 2^{25155235402152} is an apocalyptic number.

It is an amenable number.

25155235402152 is an abundant number, since it is smaller than the sum of its proper divisors (42127965489048).

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

25155235402152 is a wasteful number, since it uses less digits than its factorization.

25155235402152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904344186 (or 904344182 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 25155235402152 in words is "twenty-five trillion, one hundred fifty-five billion, two hundred thirty-five million, four hundred two thousand, one hundred fifty-two".