51162106155 has 16 divisors (see below), whose sum is σ = 82226457600. Its totient is φ = 27164094048.

The previous prime is 51162106147. The next prime is 51162106157. The reversal of 51162106155 is 55160126115.

It is not a de Polignac number, because 51162106155 - 2³ = 51162106147 is a prime.

It is a super-2 number, since 2×51162106155² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51162106157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7644205 + ... + 7650894.

It is an arithmetic number, because the mean of its divisors is an integer number (5139153600).

Almost surely, 2^51162106155 is an apocalyptic number.

51162106155 is a deficient number, since it is larger than the sum of its proper divisors (31064351445).

51162106155 is a wasteful number, since it uses less digits than its factorization.

51162106155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15295330.

The product of its (nonzero) digits is 9000, while the sum is 33.

The spelling of 51162106155 in words is "fifty-one billion, one hundred sixty-two million, one hundred six thousand, one hundred fifty-five".