51060618108 has 48 divisors (see below), whose sum is σ = 132414024960. Its totient is φ = 17015751792.

The previous prime is 51060618071. The next prime is 51060618109. The reversal of 51060618108 is 80181606015.

51060618108 is a `hidden beast` number, since 510 + 6 + 0 + 61 + 81 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51060618109) 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, 366385 + ... + 486167.

It is an arithmetic number, because the mean of its divisors is an integer number (2758625520).

Almost surely, 2^51060618108 is an apocalyptic number.

It is an amenable number.

51060618108 is an abundant number, since it is smaller than the sum of its proper divisors (81353406852).

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

51060618108 is a wasteful number, since it uses less digits than its factorization.

51060618108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123743 (or 123735 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The spelling of 51060618108 in words is "fifty-one billion, sixty million, six hundred eighteen thousand, one hundred eight".