11515611167 has 2 divisors, whose sum is σ = 11515611168. Its totient is φ = 11515611166.

The previous prime is 11515611139. The next prime is 11515611193. The reversal of 11515611167 is 76111651511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11515611167 - 2⁶ = 11515611103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11515611127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5757805583 + 5757805584.

It is an arithmetic number, because the mean of its divisors is an integer number (5757805584).

Almost surely, 2^11515611167 is an apocalyptic number.

11515611167 is a deficient number, since it is larger than the sum of its proper divisors (1).

11515611167 is an equidigital number, since it uses as much as digits as its factorization.

11515611167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 35.

The spelling of 11515611167 in words is "eleven billion, five hundred fifteen million, six hundred eleven thousand, one hundred sixty-seven".