51461713160027 has 4 divisors (see below), whose sum is σ = 51481377554376. Its totient is φ = 51442048765680.

The previous prime is 51461713160003. The next prime is 51461713160047. The reversal of 51461713160027 is 72006131716415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51461713160027 - 2²⁰ = 51461712111451 is a prime.

It is a super-2 number, since 2×51461713160027² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51461713160027.

It is not an unprimeable number, because it can be changed into a prime (51461713160047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9832193249 + ... + 9832198482.

It is an arithmetic number, because the mean of its divisors is an integer number (12870344388594).

Almost surely, 2^{51461713160027} is an apocalyptic number.

51461713160027 is a deficient number, since it is larger than the sum of its proper divisors (19664394349).

51461713160027 is a wasteful number, since it uses less digits than its factorization.

51461713160027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19664394348.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 51461713160027 in words is "fifty-one trillion, four hundred sixty-one billion, seven hundred thirteen million, one hundred sixty thousand, twenty-seven".