51160121606507 has 2 divisors, whose sum is σ = 51160121606508. Its totient is φ = 51160121606506.

The previous prime is 51160121606497. The next prime is 51160121606533. The reversal of 51160121606507 is 70560612106115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51160121606507 - 2²⁸ = 51159853171051 is a prime.

It is not a weakly prime, because it can be changed into another prime (51160121906507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25580060803253 + 25580060803254.

It is an arithmetic number, because the mean of its divisors is an integer number (25580060803254).

Almost surely, 2^{51160121606507} is an apocalyptic number.

51160121606507 is a deficient number, since it is larger than the sum of its proper divisors (1).

51160121606507 is an equidigital number, since it uses as much as digits as its factorization.

51160121606507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 41.

The spelling of 51160121606507 in words is "fifty-one trillion, one hundred sixty billion, one hundred twenty-one million, six hundred six thousand, five hundred seven".