51134440108 has 24 divisors (see below), whose sum is σ = 92548628480. Its totient is φ = 24695130960.

The previous prime is 51134440081. The next prime is 51134440109. The reversal of 51134440108 is 80104443115.

It is a super-2 number, since 2×51134440108² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 51134440108.

It is not an unprimeable number, because it can be changed into a prime (51134440109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329388 + ... + 459091.

Almost surely, 2^51134440108 is an apocalyptic number.

It is an amenable number.

51134440108 is a deficient number, since it is larger than the sum of its proper divisors (41414188372).

51134440108 is a wasteful number, since it uses less digits than its factorization.

51134440108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789037 (or 789035 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 51134440108 in words is "fifty-one billion, one hundred thirty-four million, four hundred forty thousand, one hundred eight".