51125520114 has 32 divisors (see below), whose sum is σ = 113621269440. Its totient is φ = 17040489696.

The previous prime is 51125520107. The next prime is 51125520139. The reversal of 51125520114 is 41102552115.

It is a happy number.

51125520114 is a `hidden beast` number, since 5 + 1 + 1 + 25 + 520 + 114 = 666.

It is a super-2 number, since 2×51125520114² (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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 837597 + ... + 896559.

It is an arithmetic number, because the mean of its divisors is an integer number (3550664670).

Almost surely, 2^51125520114 is an apocalyptic number.

51125520114 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

51125520114 is an abundant number, since it is smaller than the sum of its proper divisors (62495749326).

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

51125520114 is a wasteful number, since it uses less digits than its factorization.

51125520114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75031 (or 75025 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The spelling of 51125520114 in words is "fifty-one billion, one hundred twenty-five million, five hundred twenty thousand, one hundred fourteen".