11428921632 has 24 divisors (see below), whose sum is σ = 30000919536. Its totient is φ = 3809640512.

The previous prime is 11428921627. The next prime is 11428921649. The reversal of 11428921632 is 23612982411.

It is a tau number, because it is divible by the number of its divisors (24).

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 3 ways as a sum of consecutive naturals, for example, 59525538 + ... + 59525729.

It is an arithmetic number, because the mean of its divisors is an integer number (1250038314).

Almost surely, 2^11428921632 is an apocalyptic number.

11428921632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11428921632 is an abundant number, since it is smaller than the sum of its proper divisors (18571997904).

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

11428921632 is a wasteful number, since it uses less digits than its factorization.

11428921632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119051280 (or 119051272 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The spelling of 11428921632 in words is "eleven billion, four hundred twenty-eight million, nine hundred twenty-one thousand, six hundred thirty-two".