125516005163 has 8 divisors (see below), whose sum is σ = 127507889808. Its totient is φ = 123531485184.

The previous prime is 125516005141. The next prime is 125516005193. The reversal of 125516005163 is 361500615521.

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 125516005163 - 2²⁴ = 125499227947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125516005193) 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, 1806806 + ... + 1874987.

It is an arithmetic number, because the mean of its divisors is an integer number (15938486226).

Almost surely, 2^125516005163 is an apocalyptic number.

125516005163 is a deficient number, since it is larger than the sum of its proper divisors (1991884645).

125516005163 is an equidigital number, since it uses as much as digits as its factorization.

125516005163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682333.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 125516005163 in words is "one hundred twenty-five billion, five hundred sixteen million, five thousand, one hundred sixty-three".