115583944545 has 16 divisors (see below), whose sum is σ = 205482568320. Its totient is φ = 61644770352.

The previous prime is 115583944523. The next prime is 115583944547. The reversal of 115583944545 is 545449385511.

115583944545 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 8 + 3 + 94 + 4 + 545 = 666.

It is not a de Polignac number, because 115583944545 - 2⁷ = 115583944417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115583944491 and 115583944500.

It is not an unprimeable number, because it can be changed into a prime (115583944547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428088549 + ... + 428088818.

It is an arithmetic number, because the mean of its divisors is an integer number (12842660520).

Almost surely, 2^115583944545 is an apocalyptic number.

115583944545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115583944545 is a deficient number, since it is larger than the sum of its proper divisors (89898623775).

115583944545 is an equidigital number, since it uses as much as digits as its factorization.

115583944545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856177381 (or 856177375 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 54.

The spelling of 115583944545 in words is "one hundred fifteen billion, five hundred eighty-three million, nine hundred forty-four thousand, five hundred forty-five".