25552755012 has 48 divisors (see below), whose sum is σ = 63141845760. Its totient is φ = 8015089152.

The previous prime is 25552754977. The next prime is 25552755013. The reversal of 25552755012 is 21055725552.

It is a super-2 number, since 2×25552755012² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25552755013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1861189 + ... + 1874867.

It is an arithmetic number, because the mean of its divisors is an integer number (1315455120).

Almost surely, 2^25552755012 is an apocalyptic number.

It is an amenable number.

25552755012 is an abundant number, since it is smaller than the sum of its proper divisors (37589090748).

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

25552755012 is a wasteful number, since it uses less digits than its factorization.

25552755012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22860 (or 22858 counting only the distinct ones).

The product of its (nonzero) digits is 175000, while the sum is 39.

The spelling of 25552755012 in words is "twenty-five billion, five hundred fifty-two million, seven hundred fifty-five thousand, twelve".