51086536122457 has 8 divisors (see below), whose sum is σ = 55732743215712. Its totient is φ = 46440658452000.

The previous prime is 51086536122403. The next prime is 51086536122467. The reversal of 51086536122457 is 75422163568015.

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 51086536122457 - 2¹⁹ = 51086535598169 is a prime.

It is a super-2 number, since 2×51086536122457² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51086536122398 and 51086536122407.

It is not an unprimeable number, because it can be changed into a prime (51086536122467) 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, 82031383 + ... + 82651804.

It is an arithmetic number, because the mean of its divisors is an integer number (6966592901964).

Almost surely, 2^{51086536122457} is an apocalyptic number.

It is an amenable number.

51086536122457 is a deficient number, since it is larger than the sum of its proper divisors (4646207093255).

51086536122457 is a wasteful number, since it uses less digits than its factorization.

51086536122457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164711399.

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 51086536122457 in words is "fifty-one trillion, eighty-six billion, five hundred thirty-six million, one hundred twenty-two thousand, four hundred fifty-seven".