12505063161 has 16 divisors (see below), whose sum is σ = 17559828800. Its totient is φ = 7893946368.

The previous prime is 12505063159. The next prime is 12505063163. The reversal of 12505063161 is 16136050521.

It is an interprime number because it is at equal distance from previous prime (12505063159) and next prime (12505063163).

It is not a de Polignac number, because 12505063161 - 2¹ = 12505063159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12505063163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60585 + ... + 169353.

It is an arithmetic number, because the mean of its divisors is an integer number (1097489300).

Almost surely, 2^12505063161 is an apocalyptic number.

It is an amenable number.

12505063161 is a deficient number, since it is larger than the sum of its proper divisors (5054765639).

12505063161 is a wasteful number, since it uses less digits than its factorization.

12505063161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110808.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 12505063161 in words is "twelve billion, five hundred five million, sixty-three thousand, one hundred sixty-one".