51415750127788 has 12 divisors (see below), whose sum is σ = 89980326305352. Its totient is φ = 25707085469120.

The previous prime is 51415750127767. The next prime is 51415750127809. The reversal of 51415750127788 is 88772105751415.

It is an interprime number because it is at equal distance from previous prime (51415750127767) and next prime (51415750127809).

It is a super-2 number, since 2×51415750127788² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197252170 + ... + 197512657.

It is an arithmetic number, because the mean of its divisors is an integer number (7498360525446).

Almost surely, 2^{51415750127788} is an apocalyptic number.

It is an amenable number.

51415750127788 is a deficient number, since it is larger than the sum of its proper divisors (38564576177564).

51415750127788 is a wasteful number, since it uses less digits than its factorization.

51415750127788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394797392 (or 394797390 counting only the distinct ones).

The product of its (nonzero) digits is 21952000, while the sum is 61.

The spelling of 51415750127788 in words is "fifty-one trillion, four hundred fifteen billion, seven hundred fifty million, one hundred twenty-seven thousand, seven hundred eighty-eight".