11682396991 has 12 divisors (see below), whose sum is σ = 12484383408. Its totient is φ = 10929312512.

The previous prime is 11682396967. The next prime is 11682397009. The reversal of 11682396991 is 19969328611.

It is not a de Polignac number, because 11682396991 - 2⁷ = 11682396863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11682396491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72766 + ... + 169291.

It is an arithmetic number, because the mean of its divisors is an integer number (1040365284).

Almost surely, 2^11682396991 is an apocalyptic number.

11682396991 is a deficient number, since it is larger than the sum of its proper divisors (801986417).

11682396991 is a wasteful number, since it uses less digits than its factorization.

11682396991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242258 (or 242241 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 55.

The spelling of 11682396991 in words is "eleven billion, six hundred eighty-two million, three hundred ninety-six thousand, nine hundred ninety-one".