255616000001 has 4 divisors (see below), whose sum is σ = 255732033072. Its totient is φ = 255499966932.

The previous prime is 255615999979. The next prime is 255616000019. The reversal of 255616000001 is 100000616552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255616000001 - 2¹⁰ = 255615998977 is a prime.

It is a super-2 number, since 2×255616000001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255616000021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58013231 + ... + 58017636.

It is an arithmetic number, because the mean of its divisors is an integer number (63933008268).

Almost surely, 2^255616000001 is an apocalyptic number.

It is an amenable number.

255616000001 is a deficient number, since it is larger than the sum of its proper divisors (116033071).

255616000001 is a wasteful number, since it uses less digits than its factorization.

255616000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116033070.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 255616000001 its reverse (100000616552), we get a palindrome (355616616553).

The spelling of 255616000001 in words is "two hundred fifty-five billion, six hundred sixteen million, one", and thus it is an aban number.