51056126867 has 8 divisors (see below), whose sum is σ = 52304434560. Its totient is φ = 49807963840.

The previous prime is 51056126839. The next prime is 51056126903. The reversal of 51056126867 is 76862165015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51056126867 - 2¹⁸ = 51055864723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51056126827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1139093 + ... + 1183065.

It is an arithmetic number, because the mean of its divisors is an integer number (6538054320).

Almost surely, 2^51056126867 is an apocalyptic number.

51056126867 is a deficient number, since it is larger than the sum of its proper divisors (1248307693).

51056126867 is a wasteful number, since it uses less digits than its factorization.

51056126867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72333.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 51056126867 in words is "fifty-one billion, fifty-six million, one hundred twenty-six thousand, eight hundred sixty-seven".