25337855012 has 6 divisors (see below), whose sum is σ = 44341246278. Its totient is φ = 12668927504.

The previous prime is 25337854979. The next prime is 25337855021. The reversal of 25337855012 is 21055873352.

It can be written as a sum of positive squares in only one way, i.e., 23831949376 + 1505905636 = 154376^2 + 38806^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3167231873 + ... + 3167231880.

It is an arithmetic number, because the mean of its divisors is an integer number (7390207713).

Almost surely, 2^25337855012 is an apocalyptic number.

It is an amenable number.

25337855012 is a deficient number, since it is larger than the sum of its proper divisors (19003391266).

25337855012 is a wasteful number, since it uses less digits than its factorization.

25337855012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334463757 (or 6334463755 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 25337855012 in words is "twenty-five billion, three hundred thirty-seven million, eight hundred fifty-five thousand, twelve".