113515220440985 has 16 divisors (see below), whose sum is σ = 148630503267072. Its totient is φ = 82540546099200.

The previous prime is 113515220440949. The next prime is 113515220441033. The reversal of 113515220440985 is 589044022515311.

It is not a de Polignac number, because 113515220440985 - 2¹² = 113515220436889 is a prime.

It is a Duffinian 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, 199436456 + ... + 200004825.

It is an arithmetic number, because the mean of its divisors is an integer number (9289406454192).

Almost surely, 2^{113515220440985} is an apocalyptic number.

It is an amenable number.

113515220440985 is a deficient number, since it is larger than the sum of its proper divisors (35115282826087).

113515220440985 is a wasteful number, since it uses less digits than its factorization.

113515220440985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399446464.

The product of its (nonzero) digits is 1728000, while the sum is 50.

The spelling of 113515220440985 in words is "one hundred thirteen trillion, five hundred fifteen billion, two hundred twenty million, four hundred forty thousand, nine hundred eighty-five".