12405161079 has 24 divisors (see below), whose sum is σ = 18311063472. Its totient is φ = 8089885440.

The previous prime is 12405161063. The next prime is 12405161099. The reversal of 12405161079 is 97016150421.

12405161079 is a `hidden beast` number, since 124 + 0 + 516 + 10 + 7 + 9 = 666.

It is not a de Polignac number, because 12405161079 - 2⁴ = 12405161063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12405161039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122164 + ... + 199334.

It is an arithmetic number, because the mean of its divisors is an integer number (762960978).

Almost surely, 2^12405161079 is an apocalyptic number.

12405161079 is a deficient number, since it is larger than the sum of its proper divisors (5905902393).

12405161079 is a wasteful number, since it uses less digits than its factorization.

12405161079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77567 (or 77564 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 12405161079 in words is "twelve billion, four hundred five million, one hundred sixty-one thousand, seventy-nine".