111384377475 has 48 divisors (see below), whose sum is σ = 210711013632. Its totient is φ = 50858674560.

The previous prime is 111384377471. The next prime is 111384377477. The reversal of 111384377475 is 574773483111.

It is not a de Polignac number, because 111384377475 - 2² = 111384377471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111384377471) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 323464 + ... + 572186.

It is an arithmetic number, because the mean of its divisors is an integer number (4389812784).

Almost surely, 2^111384377475 is an apocalyptic number.

111384377475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111384377475 is a deficient number, since it is larger than the sum of its proper divisors (99326636157).

111384377475 is a wasteful number, since it uses less digits than its factorization.

111384377475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249596 (or 249591 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 51.

The spelling of 111384377475 in words is "one hundred eleven billion, three hundred eighty-four million, three hundred seventy-seven thousand, four hundred seventy-five".