112161772815 has 8 divisors (see below), whose sum is σ = 179458836528. Its totient is φ = 59819612160.

The previous prime is 112161772799. The next prime is 112161772841. The reversal of 112161772815 is 518277161211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112161772815 - 2⁴ = 112161772799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3738725746 + ... + 3738725775.

It is an arithmetic number, because the mean of its divisors is an integer number (22432354566).

Almost surely, 2^112161772815 is an apocalyptic number.

112161772815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

112161772815 is a deficient number, since it is larger than the sum of its proper divisors (67297063713).

112161772815 is an equidigital number, since it uses as much as digits as its factorization.

112161772815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7477451529.

The product of its digits is 47040, while the sum is 42.

The spelling of 112161772815 in words is "one hundred twelve billion, one hundred sixty-one million, seven hundred seventy-two thousand, eight hundred fifteen".