51135111162 has 32 divisors (see below), whose sum is σ = 113750006400. Its totient is φ = 17027573184.

The previous prime is 51135111109. The next prime is 51135111163. The reversal of 51135111162 is 26111153115.

51135111162 is a `hidden beast` number, since 511 + 35 + 1 + 1 + 116 + 2 = 666.

It is a super-2 number, since 2×51135111162² (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 (51135111163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431862 + ... + 537377.

It is an arithmetic number, because the mean of its divisors is an integer number (3554687700).

Almost surely, 2^51135111162 is an apocalyptic number.

51135111162 is an abundant number, since it is smaller than the sum of its proper divisors (62614895238).

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

51135111162 is a wasteful number, since it uses less digits than its factorization.

51135111162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970227 (or 970221 counting only the distinct ones).

The product of its digits is 900, while the sum is 27.

Adding to 51135111162 its reverse (26111153115), we get a palindrome (77246264277).

The spelling of 51135111162 in words is "fifty-one billion, one hundred thirty-five million, one hundred eleven thousand, one hundred sixty-two".