51122106315 has 80 divisors (see below), whose sum is σ = 104845574592. Its totient is φ = 23344920576.

The previous prime is 51122106289. The next prime is 51122106319. The reversal of 51122106315 is 51360122115.

51122106315 is a `hidden beast` number, since 5 + 1 + 1 + 2 + 21 + 0 + 631 + 5 = 666.

It is not a de Polignac number, because 51122106315 - 2¹³ = 51122098123 is a prime.

It is a super-2 number, since 2×51122106315² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (51122106319) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2760567 + ... + 2779023.

Almost surely, 2^51122106315 is an apocalyptic number.

51122106315 is an abundant number, since it is smaller than the sum of its proper divisors (53723468277).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51122106315 is a wasteful number, since it uses less digits than its factorization.

51122106315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19458 (or 19449 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The spelling of 51122106315 in words is "fifty-one billion, one hundred twenty-two million, one hundred six thousand, three hundred fifteen".