11532408637 has 2 divisors, whose sum is σ = 11532408638. Its totient is φ = 11532408636.

The previous prime is 11532408593. The next prime is 11532408647. The reversal of 11532408637 is 73680423511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9794269156 + 1738139481 = 98966^2 + 41691^2 .

It is a cyclic number.

It is not a de Polignac number, because 11532408637 - 2¹⁹ = 11531884349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11532408637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11532408647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5766204318 + 5766204319.

It is an arithmetic number, because the mean of its divisors is an integer number (5766204319).

Almost surely, 2^11532408637 is an apocalyptic number.

It is an amenable number.

11532408637 is a deficient number, since it is larger than the sum of its proper divisors (1).

11532408637 is an equidigital number, since it uses as much as digits as its factorization.

11532408637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 11532408637 in words is "eleven billion, five hundred thirty-two million, four hundred eight thousand, six hundred thirty-seven".