111913004145 has 32 divisors (see below), whose sum is σ = 181633121280. Its totient is φ = 58829964480.

The previous prime is 111913004111. The next prime is 111913004149. The reversal of 111913004145 is 541400319111.

It is not a de Polignac number, because 111913004145 - 2⁸ = 111913003889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111913004149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4480782 + ... + 4505688.

It is an arithmetic number, because the mean of its divisors is an integer number (5676035040).

Almost surely, 2^111913004145 is an apocalyptic number.

111913004145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111913004145 is a deficient number, since it is larger than the sum of its proper divisors (69720117135).

111913004145 is a wasteful number, since it uses less digits than its factorization.

111913004145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29205.

The product of its (nonzero) digits is 2160, while the sum is 30.

The spelling of 111913004145 in words is "one hundred eleven billion, nine hundred thirteen million, four thousand, one hundred forty-five".