15479078911 has 2 divisors, whose sum is σ = 15479078912. Its totient is φ = 15479078910.

The previous prime is 15479078893. The next prime is 15479078917. The reversal of 15479078911 is 11987097451.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15479078911 - 2¹⁷ = 15478947839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15479078917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7739539455 + 7739539456.

It is an arithmetic number, because the mean of its divisors is an integer number (7739539456).

Almost surely, 2^15479078911 is an apocalyptic number.

15479078911 is a deficient number, since it is larger than the sum of its proper divisors (1).

15479078911 is an equidigital number, since it uses as much as digits as its factorization.

15479078911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 52.

The spelling of 15479078911 in words is "fifteen billion, four hundred seventy-nine million, seventy-eight thousand, nine hundred eleven".