256118126000 has 80 divisors (see below), whose sum is σ = 675593107488. Its totient is φ = 93133856000.

The previous prime is 256118125969. The next prime is 256118126003. The reversal of 256118126000 is 621811652.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (256118126003) 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, 5798867 + ... + 5842866.

Almost surely, 2^256118126000 is an apocalyptic number.

256118126000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256118126000 is an abundant number, since it is smaller than the sum of its proper divisors (419474981488).

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

256118126000 is a wasteful number, since it uses less digits than its factorization.

256118126000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11641767 (or 11641751 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

Adding to 256118126000 its reverse (621811652), we get a palindrome (256739937652).

The spelling of 256118126000 in words is "two hundred fifty-six billion, one hundred eighteen million, one hundred twenty-six thousand".