112512205515 has 16 divisors (see below), whose sum is σ = 180054029088. Its totient is φ = 59995009536.

The previous prime is 112512205499. The next prime is 112512205523. The reversal of 112512205515 is 515502215211.

It is not a de Polignac number, because 112512205515 - 2⁴ = 112512205499 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637582 + ... + 794691.

It is an arithmetic number, because the mean of its divisors is an integer number (11253376818).

Almost surely, 2^112512205515 is an apocalyptic number.

112512205515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

112512205515 is a deficient number, since it is larger than the sum of its proper divisors (67541823573).

112512205515 is a wasteful number, since it uses less digits than its factorization.

112512205515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437518.

The product of its (nonzero) digits is 5000, while the sum is 30.

The spelling of 112512205515 in words is "one hundred twelve billion, five hundred twelve million, two hundred five thousand, five hundred fifteen".