11489870836 has 12 divisors (see below), whose sum is σ = 21165551680. Its totient is φ = 5442570360.

The previous prime is 11489870809. The next prime is 11489870867. The reversal of 11489870836 is 63807898411.

It is a congruent number.

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, 75591180 + ... + 75591331.

Almost surely, 2^11489870836 is an apocalyptic number.

It is an amenable number.

11489870836 is a deficient number, since it is larger than the sum of its proper divisors (9675680844).

11489870836 is a wasteful number, since it uses less digits than its factorization.

11489870836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151182534 (or 151182532 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 55.

The spelling of 11489870836 in words is "eleven billion, four hundred eighty-nine million, eight hundred seventy thousand, eight hundred thirty-six".