51356078051 has 8 divisors (see below), whose sum is σ = 51528373104. Its totient is φ = 51183901440.

The previous prime is 51356078021. The next prime is 51356078089. The reversal of 51356078051 is 15087065315.

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 51356078051 - 2¹⁰ = 51356077027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51356078021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886196 + ... + 942366.

It is an arithmetic number, because the mean of its divisors is an integer number (6441046638).

Almost surely, 2^51356078051 is an apocalyptic number.

51356078051 is a deficient number, since it is larger than the sum of its proper divisors (172295053).

51356078051 is a wasteful number, since it uses less digits than its factorization.

51356078051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59221.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 51356078051 in words is "fifty-one billion, three hundred fifty-six million, seventy-eight thousand, fifty-one".