256562079711 has 16 divisors (see below), whose sum is σ = 394822553088. Its totient is φ = 145155348000.

The previous prime is 256562079649. The next prime is 256562079727. The reversal of 256562079711 is 117970265652.

It is not a de Polignac number, because 256562079711 - 2¹⁰ = 256562078687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256562089711) 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, 60479275 + ... + 60483516.

It is an arithmetic number, because the mean of its divisors is an integer number (24676409568).

Almost surely, 2^256562079711 is an apocalyptic number.

256562079711 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

256562079711 is a deficient number, since it is larger than the sum of its proper divisors (138260473377).

256562079711 is a wasteful number, since it uses less digits than its factorization.

256562079711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120962902.

The product of its (nonzero) digits is 1587600, while the sum is 51.

The spelling of 256562079711 in words is "two hundred fifty-six billion, five hundred sixty-two million, seventy-nine thousand, seven hundred eleven".