10256052320113 has 4 divisors (see below), whose sum is σ = 10586892717568. Its totient is φ = 9925211922660.

The previous prime is 10256052320099. The next prime is 10256052320119. The reversal of 10256052320113 is 31102325065201.

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 a de Polignac number, because none of the positive numbers 2^k-10256052320113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 330840397423 = 10256052320113 / (1 + 0 + 2 + 5 + 6 + 0 + 5 + 2 + 3 + 2 + 0 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10256052320119) 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, 165420198681 + ... + 165420198742.

It is an arithmetic number, because the mean of its divisors is an integer number (2646723179392).

Almost surely, 2^{10256052320113} is an apocalyptic number.

It is an amenable number.

10256052320113 is a deficient number, since it is larger than the sum of its proper divisors (330840397455).

10256052320113 is an equidigital number, since it uses as much as digits as its factorization.

10256052320113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330840397454.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 10256052320113 its reverse (31102325065201), we get a palindrome (41358377385314).

The spelling of 10256052320113 in words is "ten trillion, two hundred fifty-six billion, fifty-two million, three hundred twenty thousand, one hundred thirteen".