11726162089 has 2 divisors, whose sum is σ = 11726162090. Its totient is φ = 11726162088.

The previous prime is 11726162057. The next prime is 11726162183. The reversal of 11726162089 is 98026162711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11602952089 + 123210000 = 107717^2 + 11100^2 .

It is a cyclic number.

It is not a de Polignac number, because 11726162089 - 2⁵ = 11726162057 is a prime.

It is not a weakly prime, because it can be changed into another prime (11726162689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5863081044 + 5863081045.

It is an arithmetic number, because the mean of its divisors is an integer number (5863081045).

Almost surely, 2^11726162089 is an apocalyptic number.

It is an amenable number.

11726162089 is a deficient number, since it is larger than the sum of its proper divisors (1).

11726162089 is an equidigital number, since it uses as much as digits as its factorization.

11726162089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 11726162089 in words is "eleven billion, seven hundred twenty-six million, one hundred sixty-two thousand, eighty-nine".