51127940463 has 16 divisors (see below), whose sum is σ = 69215874816. Its totient is φ = 33563059200.

The previous prime is 51127940447. The next prime is 51127940467. The reversal of 51127940463 is 36404972115.

It is not a de Polignac number, because 51127940463 - 2⁴ = 51127940447 is a prime.

It is a super-2 number, since 2×51127940463² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51127940467) 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, 462895 + ... + 562607.

It is an arithmetic number, because the mean of its divisors is an integer number (4325992176).

Almost surely, 2^51127940463 is an apocalyptic number.

51127940463 is a deficient number, since it is larger than the sum of its proper divisors (18087934353).

51127940463 is a wasteful number, since it uses less digits than its factorization.

51127940463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102334.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 51127940463 in words is "fifty-one billion, one hundred twenty-seven million, nine hundred forty thousand, four hundred sixty-three".