51555150611155 has 16 divisors (see below), whose sum is σ = 61875456811200. Its totient is φ = 41237937014400.

The previous prime is 51555150611099. The next prime is 51555150611161. The reversal of 51555150611155 is 55111605155515.

It is not a de Polignac number, because 51555150611155 - 2¹¹ = 51555150609107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292056705 + ... + 1292096605.

It is an arithmetic number, because the mean of its divisors is an integer number (3867216050700).

Almost surely, 2^{51555150611155} is an apocalyptic number.

51555150611155 is a deficient number, since it is larger than the sum of its proper divisors (10320306200045).

51555150611155 is a wasteful number, since it uses less digits than its factorization.

51555150611155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72174.

The product of its (nonzero) digits is 468750, while the sum is 46.

The spelling of 51555150611155 in words is "fifty-one trillion, five hundred fifty-five billion, one hundred fifty million, six hundred eleven thousand, one hundred fifty-five".