11542117679 has 2 divisors, whose sum is σ = 11542117680. Its totient is φ = 11542117678.

The previous prime is 11542117651. The next prime is 11542117703. The reversal of 11542117679 is 97671124511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11542117679 - 2²⁸ = 11273682223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11542117619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771058839 + 5771058840.

It is an arithmetic number, because the mean of its divisors is an integer number (5771058840).

Almost surely, 2^11542117679 is an apocalyptic number.

11542117679 is a deficient number, since it is larger than the sum of its proper divisors (1).

11542117679 is an equidigital number, since it uses as much as digits as its factorization.

11542117679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 44.

The spelling of 11542117679 in words is "eleven billion, five hundred forty-two million, one hundred seventeen thousand, six hundred seventy-nine".