12715706860154 has 4 divisors (see below), whose sum is σ = 19073560290234. Its totient is φ = 6357853430076.

The previous prime is 12715706860097. The next prime is 12715706860169. The reversal of 12715706860154 is 45106860751721.

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

It can be written as a sum of positive squares in only one way, i.e., 8196064717129 + 4519642143025 = 2862877^2 + 2125945^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12715706860096 and 12715706860105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3178926715037 + ... + 3178926715040.

Almost surely, 2^{12715706860154} is an apocalyptic number.

12715706860154 is a deficient number, since it is larger than the sum of its proper divisors (6357853430080).

12715706860154 is an equidigital number, since it uses as much as digits as its factorization.

12715706860154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6357853430079.

The product of its (nonzero) digits is 2822400, while the sum is 53.

The spelling of 12715706860154 in words is "twelve trillion, seven hundred fifteen billion, seven hundred six million, eight hundred sixty thousand, one hundred fifty-four".