11984932637 has 2 divisors, whose sum is σ = 11984932638. Its totient is φ = 11984932636.

The previous prime is 11984932633. The next prime is 11984932669. The reversal of 11984932637 is 73623948911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11875332676 + 109599961 = 108974^2 + 10469^2 .

It is a cyclic number.

It is not a de Polignac number, because 11984932637 - 2² = 11984932633 is a prime.

It is a super-2 number, since 2×11984932637² (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 (11984932633) 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, 5992466318 + 5992466319.

It is an arithmetic number, because the mean of its divisors is an integer number (5992466319).

Almost surely, 2^11984932637 is an apocalyptic number.

It is an amenable number.

11984932637 is a deficient number, since it is larger than the sum of its proper divisors (1).

11984932637 is an equidigital number, since it uses as much as digits as its factorization.

11984932637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 53.

The spelling of 11984932637 in words is "eleven billion, nine hundred eighty-four million, nine hundred thirty-two thousand, six hundred thirty-seven".