10257647560855 has 4 divisors (see below), whose sum is σ = 12309177073032. Its totient is φ = 8206118048680.

The previous prime is 10257647560819. The next prime is 10257647560871. The reversal of 10257647560855 is 55806574675201.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-10257647560855 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10257647560793 and 10257647560802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025764756081 + ... + 1025764756090.

It is an arithmetic number, because the mean of its divisors is an integer number (3077294268258).

Almost surely, 2^{10257647560855} is an apocalyptic number.

10257647560855 is a deficient number, since it is larger than the sum of its proper divisors (2051529512177).

10257647560855 is an equidigital number, since it uses as much as digits as its factorization.

10257647560855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051529512176.

The product of its (nonzero) digits is 70560000, while the sum is 61.

The spelling of 10257647560855 in words is "ten trillion, two hundred fifty-seven billion, six hundred forty-seven million, five hundred sixty thousand, eight hundred fifty-five".