11838699812 has 36 divisors (see below), whose sum is σ = 21495510036. Its totient is φ = 5704917120.

The previous prime is 11838699809. The next prime is 11838699823. The reversal of 11838699812 is 21899683811.

It can be written as a sum of positive squares in 6 ways, for example, as 1315222756 + 10523477056 = 36266^2 + 102584^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2059262 + ... + 2065002.

It is an arithmetic number, because the mean of its divisors is an integer number (597097501).

Almost surely, 2^11838699812 is an apocalyptic number.

It is an amenable number.

11838699812 is a deficient number, since it is larger than the sum of its proper divisors (9656810224).

11838699812 is a wasteful number, since it uses less digits than its factorization.

11838699812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416 (or 6385 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 56.

The spelling of 11838699812 in words is "eleven billion, eight hundred thirty-eight million, six hundred ninety-nine thousand, eight hundred twelve".