111403747984 has 15 divisors (see below), whose sum is σ = 215847348483. Its totient is φ = 55701206448.

The previous prime is 111403747957. The next prime is 111403748039. The reversal of 111403747984 is 489747304111.

The square root of 111403747984 is 333772.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1293367 + ... + 1376809.

Almost surely, 2^111403747984 is an apocalyptic number.

111403747984 is the 333772-nd square number.

It is an amenable number.

111403747984 is a deficient number, since it is larger than the sum of its proper divisors (104443600499).

111403747984 is an frugal number, since it uses more digits than its factorization.

111403747984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166894 (or 83445 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

Multiplying 111403747984 by its sum of digits (49), we get a square (5458783651216 = 2336404²).

The spelling of 111403747984 in words is "one hundred eleven billion, four hundred three million, seven hundred forty-seven thousand, nine hundred eighty-four".