111875213149 has 16 divisors (see below), whose sum is σ = 130844467072. Its totient is φ = 93653195328.

The previous prime is 111875213143. The next prime is 111875213171. The reversal of 111875213149 is 941312578111.

It is not a de Polignac number, because 111875213149 - 2¹¹ = 111875211101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111875213143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5194447 + ... + 5215939.

It is an arithmetic number, because the mean of its divisors is an integer number (8177779192).

Almost surely, 2^111875213149 is an apocalyptic number.

It is an amenable number.

111875213149 is a deficient number, since it is larger than the sum of its proper divisors (18969253923).

111875213149 is a wasteful number, since it uses less digits than its factorization.

111875213149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38836.

The product of its digits is 60480, while the sum is 43.

The spelling of 111875213149 in words is "one hundred eleven billion, eight hundred seventy-five million, two hundred thirteen thousand, one hundred forty-nine".