11537165489 has 2 divisors, whose sum is σ = 11537165490. Its totient is φ = 11537165488.

The previous prime is 11537165483. The next prime is 11537165551. The reversal of 11537165489 is 98456173511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9458535025 + 2078630464 = 97255^2 + 45592^2 .

It is a cyclic number.

It is not a de Polignac number, because 11537165489 - 2²⁴ = 11520388273 is a prime.

It is not a weakly prime, because it can be changed into another prime (11537165483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5768582744 + 5768582745.

It is an arithmetic number, because the mean of its divisors is an integer number (5768582745).

Almost surely, 2^11537165489 is an apocalyptic number.

It is an amenable number.

11537165489 is a deficient number, since it is larger than the sum of its proper divisors (1).

11537165489 is an equidigital number, since it uses as much as digits as its factorization.

11537165489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 50.

The spelling of 11537165489 in words is "eleven billion, five hundred thirty-seven million, one hundred sixty-five thousand, four hundred eighty-nine".