15118879 has 2 divisors, whose sum is σ = 15118880. Its totient is φ = 15118878.

The previous prime is 15118871. The next prime is 15118907. The reversal of 15118879 is 97881151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15118879 - 2³ = 15118871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15118871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7559439 + 7559440.

It is an arithmetic number, because the mean of its divisors is an integer number (7559440).

Almost surely, 2^15118879 is an apocalyptic number.

15118879 is a deficient number, since it is larger than the sum of its proper divisors (1).

15118879 is an equidigital number, since it uses as much as digits as its factorization.

15118879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 40.

The square root of 15118879 is about 3888.3002713268. The cubic root of 15118879 is about 247.2710067782.

The spelling of 15118879 in words is "fifteen million, one hundred eighteen thousand, eight hundred seventy-nine".