51010550601155 has 4 divisors (see below), whose sum is σ = 61212660721392. Its totient is φ = 40808440480920.

The previous prime is 51010550601139. The next prime is 51010550601169. The reversal of 51010550601155 is 55110605501015.

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

It is not a de Polignac number, because 51010550601155 - 2⁴ = 51010550601139 is a prime.

It is a Duffinian number.

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, 5101055060111 + ... + 5101055060120.

It is an arithmetic number, because the mean of its divisors is an integer number (15303165180348).

Almost surely, 2^{51010550601155} is an apocalyptic number.

51010550601155 is a deficient number, since it is larger than the sum of its proper divisors (10202110120237).

51010550601155 is a wasteful number, since it uses less digits than its factorization.

51010550601155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202110120236.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 51010550601155 in words is "fifty-one trillion, ten billion, five hundred fifty million, six hundred one thousand, one hundred fifty-five".