51100120124 has 6 divisors (see below), whose sum is σ = 89425210224. Its totient is φ = 25550060060.

The previous prime is 51100120111. The next prime is 51100120151. The reversal of 51100120124 is 42102100115.

It is a super-2 number, since 2×51100120124² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6387515012 + ... + 6387515019.

It is an arithmetic number, because the mean of its divisors is an integer number (14904201704).

Almost surely, 2^51100120124 is an apocalyptic number.

It is an amenable number.

51100120124 is a deficient number, since it is larger than the sum of its proper divisors (38325090100).

51100120124 is a wasteful number, since it uses less digits than its factorization.

51100120124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12775030035 (or 12775030033 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 51100120124 its reverse (42102100115), we get a palindrome (93202220239).

The spelling of 51100120124 in words is "fifty-one billion, one hundred million, one hundred twenty thousand, one hundred twenty-four".