11392656589 has 2 divisors, whose sum is σ = 11392656590. Its totient is φ = 11392656588.

The previous prime is 11392656577. The next prime is 11392656599. The reversal of 11392656589 is 98565629311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9581473225 + 1811183364 = 97885^2 + 42558^2 .

It is a cyclic number.

It is not a de Polignac number, because 11392656589 - 2²⁷ = 11258438861 is a prime.

It is a super-2 number, since 2×11392656589² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11392656559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5696328294 + 5696328295.

It is an arithmetic number, because the mean of its divisors is an integer number (5696328295).

Almost surely, 2^11392656589 is an apocalyptic number.

It is an amenable number.

11392656589 is a deficient number, since it is larger than the sum of its proper divisors (1).

11392656589 is an equidigital number, since it uses as much as digits as its factorization.

11392656589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3499200, while the sum is 55.

The spelling of 11392656589 in words is "eleven billion, three hundred ninety-two million, six hundred fifty-six thousand, five hundred eighty-nine".