51761123155 has 16 divisors (see below), whose sum is σ = 71000812224. Its totient is φ = 35486277120.

The previous prime is 51761123131. The next prime is 51761123177. The reversal of 51761123155 is 55132116715.

It is not a de Polignac number, because 51761123155 - 2⁵ = 51761123123 is a prime.

It is a Duffinian number.

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, 34335 + ... + 323575.

It is an arithmetic number, because the mean of its divisors is an integer number (4437550764).

Almost surely, 2^51761123155 is an apocalyptic number.

51761123155 is a deficient number, since it is larger than the sum of its proper divisors (19239689069).

51761123155 is a wasteful number, since it uses less digits than its factorization.

51761123155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294366.

The product of its digits is 31500, while the sum is 37.

The spelling of 51761123155 in words is "fifty-one billion, seven hundred sixty-one million, one hundred twenty-three thousand, one hundred fifty-five".