112991270187 has 16 divisors (see below), whose sum is σ = 152768651168. Its totient is φ = 74271375360.

The previous prime is 112991270177. The next prime is 112991270201. The reversal of 112991270187 is 781072199211.

It is not a de Polignac number, because 112991270187 - 2¹⁴ = 112991253803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112991270177) 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, 600843 + ... + 766155.

It is an arithmetic number, because the mean of its divisors is an integer number (9548040698).

Almost surely, 2^112991270187 is an apocalyptic number.

112991270187 is a deficient number, since it is larger than the sum of its proper divisors (39777380981).

112991270187 is a wasteful number, since it uses less digits than its factorization.

112991270187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168510.

The product of its (nonzero) digits is 127008, while the sum is 48.

The spelling of 112991270187 in words is "one hundred twelve billion, nine hundred ninety-one million, two hundred seventy thousand, one hundred eighty-seven".