11491486612 has 6 divisors (see below), whose sum is σ = 20110101578. Its totient is φ = 5745743304.

The previous prime is 11491486609. The next prime is 11491486621. The reversal of 11491486612 is 21668419411.

11491486612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6503454736 + 4988031876 = 80644^2 + 70626^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436435823 + ... + 1436435830.

Almost surely, 2^11491486612 is an apocalyptic number.

It is an amenable number.

11491486612 is a deficient number, since it is larger than the sum of its proper divisors (8618614966).

11491486612 is a wasteful number, since it uses less digits than its factorization.

11491486612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872871657 (or 2872871655 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The spelling of 11491486612 in words is "eleven billion, four hundred ninety-one million, four hundred eighty-six thousand, six hundred twelve".