113553455203553 has 4 divisors (see below), whose sum is σ = 114141815075268. Its totient is φ = 112965095331840.

The previous prime is 113553455203547. The next prime is 113553455203619. The reversal of 113553455203553 is 355302554355311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64103193563809 + 49450261639744 = 8006447^2 + 7032088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113553455203553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113553455223553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294179935568 + ... + 294179935953.

It is an arithmetic number, because the mean of its divisors is an integer number (28535453768817).

Almost surely, 2^{113553455203553} is an apocalyptic number.

It is an amenable number.

113553455203553 is a deficient number, since it is larger than the sum of its proper divisors (588359871715).

113553455203553 is an equidigital number, since it uses as much as digits as its factorization.

113553455203553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588359871714.

The product of its (nonzero) digits is 10125000, while the sum is 50.

The spelling of 113553455203553 in words is "one hundred thirteen trillion, five hundred fifty-three billion, four hundred fifty-five million, two hundred three thousand, five hundred fifty-three".