113500289521 has 2 divisors, whose sum is σ = 113500289522. Its totient is φ = 113500289520.

The previous prime is 113500289503. The next prime is 113500289527. The reversal of 113500289521 is 125982005311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90658199025 + 22842090496 = 301095^2 + 151136^2 .

It is a cyclic number.

It is not a de Polignac number, because 113500289521 - 2⁹ = 113500289009 is a prime.

It is not a weakly prime, because it can be changed into another prime (113500289527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56750144760 + 56750144761.

It is an arithmetic number, because the mean of its divisors is an integer number (56750144761).

Almost surely, 2^113500289521 is an apocalyptic number.

It is an amenable number.

113500289521 is a deficient number, since it is larger than the sum of its proper divisors (1).

113500289521 is an equidigital number, since it uses as much as digits as its factorization.

113500289521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 113500289521 in words is "one hundred thirteen billion, five hundred million, two hundred eighty-nine thousand, five hundred twenty-one".