112515321405 has 16 divisors (see below), whose sum is σ = 180055266624. Its totient is φ = 59997920640.

The previous prime is 112515321397. The next prime is 112515321419. The reversal of 112515321405 is 504123515211.

It is not a de Polignac number, because 112515321405 - 2³ = 112515321397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549519 + ... + 725948.

It is an arithmetic number, because the mean of its divisors is an integer number (11253454164).

Almost surely, 2^112515321405 is an apocalyptic number.

112515321405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112515321405 is a deficient number, since it is larger than the sum of its proper divisors (67539945219).

112515321405 is a wasteful number, since it uses less digits than its factorization.

112515321405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281356.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 112515321405 its reverse (504123515211), we get a palindrome (616638836616).

The spelling of 112515321405 in words is "one hundred twelve billion, five hundred fifteen million, three hundred twenty-one thousand, four hundred five".