65116902511 has 4 divisors (see below), whose sum is σ = 65749105552. Its totient is φ = 64484699472.

The previous prime is 65116902451. The next prime is 65116902551. The reversal of 65116902511 is 11520961156.

65116902511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 65116902511 - 2¹³ = 65116894319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65116902551) 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, 316101366 + ... + 316101571.

It is an arithmetic number, because the mean of its divisors is an integer number (16437276388).

Almost surely, 2^65116902511 is an apocalyptic number.

65116902511 is a deficient number, since it is larger than the sum of its proper divisors (632203041).

65116902511 is a wasteful number, since it uses less digits than its factorization.

65116902511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632203040.

The product of its (nonzero) digits is 16200, while the sum is 37.

The spelling of 65116902511 in words is "sixty-five billion, one hundred sixteen million, nine hundred two thousand, five hundred eleven".