113603388643 has 2 divisors, whose sum is σ = 113603388644. Its totient is φ = 113603388642.

The previous prime is 113603388631. The next prime is 113603388649. The reversal of 113603388643 is 346883306311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113603388643 is a prime.

It is a super-2 number, since 2×113603388643² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113603388593 and 113603388602.

It is not a weakly prime, because it can be changed into another prime (113603388649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56801694321 + 56801694322.

It is an arithmetic number, because the mean of its divisors is an integer number (56801694322).

Almost surely, 2^113603388643 is an apocalyptic number.

113603388643 is a deficient number, since it is larger than the sum of its proper divisors (1).

113603388643 is an equidigital number, since it uses as much as digits as its factorization.

113603388643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 113603388643 in words is "one hundred thirteen billion, six hundred three million, three hundred eighty-eight thousand, six hundred forty-three".