53156665135 has 64 divisors (see below), whose sum is σ = 78826182912. Its totient is φ = 33585463296.

The previous prime is 53156665103. The next prime is 53156665147.

53156665135 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 53156665135 - 2⁵ = 53156665103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5946129 + ... + 5955061.

It is an arithmetic number, because the mean of its divisors is an integer number (1231659108).

Almost surely, 2^53156665135 is an apocalyptic number.

53156665135 is a deficient number, since it is larger than the sum of its proper divisors (25669517777).

53156665135 is a wasteful number, since it uses less digits than its factorization.

53156665135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9172.

The product of its digits is 1215000, while the sum is 46.

The spelling of 53156665135 in words is "fifty-three billion, one hundred fifty-six million, six hundred sixty-five thousand, one hundred thirty-five".