112161511 has 8 divisors (see below), whose sum is σ = 139837824. Its totient is φ = 87398520.

The previous prime is 112161487. The next prime is 112161523. The reversal of 112161511 is 115161211.

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

It is not a de Polignac number, because 112161511 - 2⁷ = 112161383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112161571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728245 + ... + 728398.

It is an arithmetic number, because the mean of its divisors is an integer number (17479728).

Almost surely, 2^112161511 is an apocalyptic number.

112161511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112161511 is a deficient number, since it is larger than the sum of its proper divisors (27676313).

112161511 is a wasteful number, since it uses less digits than its factorization.

112161511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456661.

The product of its digits is 60, while the sum is 19.

The square root of 112161511 is about 10590.6331727617. The cubic root of 112161511 is about 482.2600465984.

The spelling of 112161511 in words is "one hundred twelve million, one hundred sixty-one thousand, five hundred eleven".