51322331155 has 16 divisors (see below), whose sum is σ = 63042845184. Its totient is φ = 40087887840.

The previous prime is 51322331149. The next prime is 51322331161. The reversal of 51322331155 is 55113322315.

It is an interprime number because it is at equal distance from previous prime (51322331149) and next prime (51322331161).

It is not a de Polignac number, because 51322331155 - 2¹⁵ = 51322298387 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, 543462 + ... + 630868.

It is an arithmetic number, because the mean of its divisors is an integer number (3940177824).

Almost surely, 2^51322331155 is an apocalyptic number.

51322331155 is a deficient number, since it is larger than the sum of its proper divisors (11720514029).

51322331155 is a wasteful number, since it uses less digits than its factorization.

51322331155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90186.

The product of its digits is 13500, while the sum is 31.

The spelling of 51322331155 in words is "fifty-one billion, three hundred twenty-two million, three hundred thirty-one thousand, one hundred fifty-five".