51495160757243 has 12 divisors (see below), whose sum is σ = 59904197142192. Its totient is φ = 44137483704720.

The previous prime is 51495160757207. The next prime is 51495160757251. The reversal of 51495160757243 is 34275706159415.

It is not a de Polignac number, because 51495160757243 - 2⁶ = 51495160757179 is a prime.

It is a super-2 number, since 2×51495160757243² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51495160754243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12804455 + ... + 16338432.

It is an arithmetic number, because the mean of its divisors is an integer number (4992016428516).

Almost surely, 2^{51495160757243} is an apocalyptic number.

51495160757243 is a deficient number, since it is larger than the sum of its proper divisors (8409036384949).

51495160757243 is a wasteful number, since it uses less digits than its factorization.

51495160757243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29178962 (or 29178955 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 59.

The spelling of 51495160757243 in words is "fifty-one trillion, four hundred ninety-five billion, one hundred sixty million, seven hundred fifty-seven thousand, two hundred forty-three".