11211271932 has 48 divisors (see below), whose sum is σ = 30506873600. Its totient is φ = 3203219376.

The previous prime is 11211271919. The next prime is 11211271943. The reversal of 11211271932 is 23917211211.

It is a self number, because there is not a number n which added to its sum of digits gives 11211271932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357798 + ... + 1366029.

Almost surely, 2^11211271932 is an apocalyptic number.

11211271932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11211271932 is an abundant number, since it is smaller than the sum of its proper divisors (19295601668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11211271932 is a wasteful number, since it uses less digits than its factorization.

11211271932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723855 (or 2723839 counting only the distinct ones).

The product of its digits is 1512, while the sum is 30.

The spelling of 11211271932 in words is "eleven billion, two hundred eleven million, two hundred seventy-one thousand, nine hundred thirty-two".