51265376127 has 24 divisors (see below), whose sum is σ = 84830578560. Its totient is φ = 29224570320.

The previous prime is 51265376111. The next prime is 51265376147. The reversal of 51265376127 is 72167356215.

It is a happy number.

51265376127 is a `hidden beast` number, since 5 + 1 + 26 + 5 + 3 + 7 + 612 + 7 = 666.

It is not a de Polignac number, because 51265376127 - 2⁴ = 51265376111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51265376147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 944649 + ... + 997442.

It is an arithmetic number, because the mean of its divisors is an integer number (3534607440).

Almost surely, 2^51265376127 is an apocalyptic number.

51265376127 is a deficient number, since it is larger than the sum of its proper divisors (33565202433).

51265376127 is a wasteful number, since it uses less digits than its factorization.

51265376127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942523 (or 1942520 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The spelling of 51265376127 in words is "fifty-one billion, two hundred sixty-five million, three hundred seventy-six thousand, one hundred twenty-seven".