115572481785 has 12 divisors (see below), whose sum is σ = 200325635172. Its totient is φ = 61638656928.

The previous prime is 115572481771. The next prime is 115572481831. The reversal of 115572481785 is 587184275511.

115572481785 is a `hidden beast` number, since 1 + 1 + 557 + 2 + 4 + 8 + 1 + 7 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 92214861561 + 23357620224 = 303669^2 + 152832^2 .

It is not a de Polignac number, because 115572481785 - 2⁶ = 115572481721 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1284138642 + ... + 1284138731.

It is an arithmetic number, because the mean of its divisors is an integer number (16693802931).

Almost surely, 2^115572481785 is an apocalyptic number.

115572481785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115572481785 is a deficient number, since it is larger than the sum of its proper divisors (84753153387).

115572481785 is a wasteful number, since it uses less digits than its factorization.

115572481785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568277384 (or 2568277381 counting only the distinct ones).

The product of its digits is 3136000, while the sum is 54.

The spelling of 115572481785 in words is "one hundred fifteen billion, five hundred seventy-two million, four hundred eighty-one thousand, seven hundred eighty-five".