111521055404 has 12 divisors (see below), whose sum is σ = 212903833128. Its totient is φ = 50691388800.

The previous prime is 111521055383. The next prime is 111521055419. The reversal of 111521055404 is 404550125111.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1267284677 + ... + 1267284764.

It is an arithmetic number, because the mean of its divisors is an integer number (17741986094).

Almost surely, 2^111521055404 is an apocalyptic number.

It is an amenable number.

111521055404 is a deficient number, since it is larger than the sum of its proper divisors (101382777724).

111521055404 is a wasteful number, since it uses less digits than its factorization.

111521055404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534569456 (or 2534569454 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

The spelling of 111521055404 in words is "one hundred eleven billion, five hundred twenty-one million, fifty-five thousand, four hundred four".