111375442447440 has 40 divisors (see below), whose sum is σ = 345263871587808. Its totient is φ = 29700117985920.

The previous prime is 111375442447429. The next prime is 111375442447453. The reversal of 111375442447440 is 44744244573111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232032171526 + ... + 232032172005.

Almost surely, 2^{111375442447440} is an apocalyptic number.

111375442447440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111375442447440 is an abundant number, since it is smaller than the sum of its proper divisors (233888429140368).

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

111375442447440 is a wasteful number, since it uses less digits than its factorization.

111375442447440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464064343547 (or 464064343541 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 51.

The spelling of 111375442447440 in words is "one hundred eleven trillion, three hundred seventy-five billion, four hundred forty-two million, four hundred forty-seven thousand, four hundred forty".