11837819272 has 16 divisors (see below), whose sum is σ = 22212097740. Its totient is φ = 5914593216.

The previous prime is 11837819251. The next prime is 11837819281. The reversal of 11837819272 is 27291873811.

It can be written as a sum of positive squares in 2 ways, for example, as 6749279716 + 5088539556 = 82154^2 + 71334^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527883 + ... + 549850.

Almost surely, 2^11837819272 is an apocalyptic number.

It is an amenable number.

11837819272 is a deficient number, since it is larger than the sum of its proper divisors (10374278468).

11837819272 is a wasteful number, since it uses less digits than its factorization.

11837819272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079112 (or 1079108 counting only the distinct ones).

The product of its digits is 338688, while the sum is 49.

The spelling of 11837819272 in words is "eleven billion, eight hundred thirty-seven million, eight hundred nineteen thousand, two hundred seventy-two".