51123727710 has 96 divisors (see below), whose sum is σ = 151310135808. Its totient is φ = 11854772160.

The previous prime is 51123727703. The next prime is 51123727729. The reversal of 51123727710 is 1772732115.

It is a happy number.

51123727710 is a `hidden beast` number, since 511 + 2 + 3 + 72 + 7 + 71 + 0 = 666.

It is a super-2 number, since 2×51123727710² (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 in 47 ways as a sum of consecutive naturals, for example, 1099842 + ... + 1145381.

It is an arithmetic number, because the mean of its divisors is an integer number (1576147248).

Almost surely, 2^51123727710 is an apocalyptic number.

51123727710 is an abundant number, since it is smaller than the sum of its proper divisors (100186408098).

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

51123727710 is a wasteful number, since it uses less digits than its factorization.

51123727710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245270 (or 2245267 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 36.

The spelling of 51123727710 in words is "fifty-one billion, one hundred twenty-three million, seven hundred twenty-seven thousand, seven hundred ten".