11421589828 has 24 divisors (see below), whose sum is σ = 22067569440. Its totient is φ = 5129080320.

The previous prime is 11421589799. The next prime is 11421589831. The reversal of 11421589828 is 82898512411.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560093 + ... + 1567396.

It is an arithmetic number, because the mean of its divisors is an integer number (919482060).

Almost surely, 2^11421589828 is an apocalyptic number.

It is an amenable number.

11421589828 is a deficient number, since it is larger than the sum of its proper divisors (10645979612).

11421589828 is a wasteful number, since it uses less digits than its factorization.

11421589828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127587 (or 3127585 counting only the distinct ones).

The product of its digits is 368640, while the sum is 49.

The spelling of 11421589828 in words is "eleven billion, four hundred twenty-one million, five hundred eighty-nine thousand, eight hundred twenty-eight".