65195294555 has 4 divisors (see below), whose sum is σ = 78234353472. Its totient is φ = 52156235640.

The previous prime is 65195294537. The next prime is 65195294609. The reversal of 65195294555 is 55549259156.

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-65195294555 is a prime.

It is a super-2 number, since 2×65195294555² (a number of 22 digits) contains 22 as substring.

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 65195294555.

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, 6519529451 + ... + 6519529460.

It is an arithmetic number, because the mean of its divisors is an integer number (19558588368).

Almost surely, 2^65195294555 is an apocalyptic number.

65195294555 is a deficient number, since it is larger than the sum of its proper divisors (13039058917).

65195294555 is a wasteful number, since it uses less digits than its factorization.

65195294555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13039058916.

The product of its digits is 12150000, while the sum is 56.

The spelling of 65195294555 in words is "sixty-five billion, one hundred ninety-five million, two hundred ninety-four thousand, five hundred fifty-five".