11536879811 has 2 divisors, whose sum is σ = 11536879812. Its totient is φ = 11536879810.

The previous prime is 11536879799. The next prime is 11536879817. The reversal of 11536879811 is 11897863511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11536879811 - 2¹⁴ = 11536863427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11536879811.

It is not a weakly prime, because it can be changed into another prime (11536879817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5768439905 + 5768439906.

It is an arithmetic number, because the mean of its divisors is an integer number (5768439906).

Almost surely, 2^11536879811 is an apocalyptic number.

11536879811 is a deficient number, since it is larger than the sum of its proper divisors (1).

11536879811 is an equidigital number, since it uses as much as digits as its factorization.

11536879811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 50.

The spelling of 11536879811 in words is "eleven billion, five hundred thirty-six million, eight hundred seventy-nine thousand, eight hundred eleven".