11421032392 has 64 divisors (see below), whose sum is σ = 28103731200. Its totient is φ = 4215551040.

The previous prime is 11421032377. The next prime is 11421032393. The reversal of 11421032392 is 29323012411.

It is a happy number.

It is a super-2 number, since 2×11421032392² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 11421032392.

It is not an unprimeable number, because it can be changed into a prime (11421032393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476208 + ... + 499615.

It is an arithmetic number, because the mean of its divisors is an integer number (439120800).

Almost surely, 2^11421032392 is an apocalyptic number.

It is an amenable number.

11421032392 is an abundant number, since it is smaller than the sum of its proper divisors (16682698808).

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

11421032392 is a wasteful number, since it uses less digits than its factorization.

11421032392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975866 (or 975862 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 11421032392 in words is "eleven billion, four hundred twenty-one million, thirty-two thousand, three hundred ninety-two".