113555305663 has 4 divisors (see below), whose sum is σ = 113597537920. Its totient is φ = 113513073408.

The previous prime is 113555305631. The next prime is 113555305693. The reversal of 113555305663 is 366503555311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366503555311 = 1409 ⋅260116079.

It is a cyclic number.

It is not a de Polignac number, because 113555305663 - 2⁵ = 113555305631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113555305693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21112095 + ... + 21117472.

It is an arithmetic number, because the mean of its divisors is an integer number (28399384480).

Almost surely, 2^113555305663 is an apocalyptic number.

113555305663 is a deficient number, since it is larger than the sum of its proper divisors (42232257).

113555305663 is an equidigital number, since it uses as much as digits as its factorization.

113555305663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42232256.

The product of its (nonzero) digits is 607500, while the sum is 43.

The spelling of 113555305663 in words is "one hundred thirteen billion, five hundred fifty-five million, three hundred five thousand, six hundred sixty-three".