11992132176637 has 2 divisors, whose sum is σ = 11992132176638. Its totient is φ = 11992132176636.

The previous prime is 11992132176631. The next prime is 11992132176691. The reversal of 11992132176637 is 73667123129911.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11084178562681 + 907953613956 = 3329291^2 + 952866^2 .

It is an emirp because it is prime and its reverse (73667123129911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11992132176637 - 2³⁹ = 11442376362749 is a prime.

It is a super-2 number, since 2×11992132176637² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11992132176631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5996066088318 + 5996066088319.

It is an arithmetic number, because the mean of its divisors is an integer number (5996066088319).

Almost surely, 2^{11992132176637} is an apocalyptic number.

It is an amenable number.

11992132176637 is a deficient number, since it is larger than the sum of its proper divisors (1).

11992132176637 is an equidigital number, since it uses as much as digits as its factorization.

11992132176637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5143824, while the sum is 58.

The spelling of 11992132176637 in words is "eleven trillion, nine hundred ninety-two billion, one hundred thirty-two million, one hundred seventy-six thousand, six hundred thirty-seven".