256411610012 has 24 divisors (see below), whose sum is σ = 454425642720. Its totient is φ = 126582785600.

The previous prime is 256411609991. The next prime is 256411610093. The reversal of 256411610012 is 210016114652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738923 + ... + 1028994.

It is an arithmetic number, because the mean of its divisors is an integer number (18934401780).

Almost surely, 2^256411610012 is an apocalyptic number.

It is an amenable number.

256411610012 is a deficient number, since it is larger than the sum of its proper divisors (198014032708).

256411610012 is a wasteful number, since it uses less digits than its factorization.

256411610012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768381 (or 1768379 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 256411610012 its reverse (210016114652), we get a palindrome (466427724664).

The spelling of 256411610012 in words is "two hundred fifty-six billion, four hundred eleven million, six hundred ten thousand, twelve".