15116407943 has 16 divisors (see below), whose sum is σ = 18882501120. Its totient is φ = 11781719136.

The previous prime is 15116407907. The next prime is 15116407981. The reversal of 15116407943 is 34970461151.

It is a cyclic number.

It is not a de Polignac number, because 15116407943 - 2⁸ = 15116407687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15116407943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15116467943) 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, 1233563 + ... + 1245756.

It is an arithmetic number, because the mean of its divisors is an integer number (1180156320).

Almost surely, 2^15116407943 is an apocalyptic number.

15116407943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15116407943 is a deficient number, since it is larger than the sum of its proper divisors (3766093177).

15116407943 is a wasteful number, since it uses less digits than its factorization.

15116407943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479406.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 15116407943 in words is "fifteen billion, one hundred sixteen million, four hundred seven thousand, nine hundred forty-three".