15116914979 has 8 divisors (see below), whose sum is σ = 15786731520. Its totient is φ = 14448145096.

The previous prime is 15116914951. The next prime is 15116914991. The reversal of 15116914979 is 97941961151.

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 15116914979 - 2¹⁶ = 15116849443 is a prime.

It is a super-2 number, since 2×15116914979² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15116914979.

It is not an unprimeable number, because it can be changed into a prime (15116914949) 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, 232067 + ... + 289980.

It is an arithmetic number, because the mean of its divisors is an integer number (1973341440).

Almost surely, 2^15116914979 is an apocalyptic number.

15116914979 is a deficient number, since it is larger than the sum of its proper divisors (669816541).

15116914979 is a wasteful number, since it uses less digits than its factorization.

15116914979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523329.

The product of its digits is 612360, while the sum is 53.

The spelling of 15116914979 in words is "fifteen billion, one hundred sixteen million, nine hundred fourteen thousand, nine hundred seventy-nine".