65130256553 has 4 divisors (see below), whose sum is σ = 65238988800. Its totient is φ = 65021524308.

The previous prime is 65130256531. The next prime is 65130256573. The reversal of 65130256553 is 35565203156.

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 65130256553 - 2⁶ = 65130256489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65130256553.

It is not an unprimeable number, because it can be changed into a prime (65130256523) 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, 54365225 + ... + 54366422.

It is an arithmetic number, because the mean of its divisors is an integer number (16309747200).

Almost surely, 2^65130256553 is an apocalyptic number.

It is an amenable number.

65130256553 is a deficient number, since it is larger than the sum of its proper divisors (108732247).

65130256553 is a wasteful number, since it uses less digits than its factorization.

65130256553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108732246.

The product of its (nonzero) digits is 405000, while the sum is 41.

The spelling of 65130256553 in words is "sixty-five billion, one hundred thirty million, two hundred fifty-six thousand, five hundred fifty-three".