113552454221537 has 2 divisors, whose sum is σ = 113552454221538. Its totient is φ = 113552454221536.

The previous prime is 113552454221497. The next prime is 113552454221603. The reversal of 113552454221537 is 735122454255311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81426638316241 + 32125815905296 = 9023671^2 + 5667964^2 .

It is an emirp because it is prime and its reverse (735122454255311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113552454221537 is a prime.

It is not a weakly prime, because it can be changed into another prime (113552454226537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56776227110768 + 56776227110769.

It is an arithmetic number, because the mean of its divisors is an integer number (56776227110769).

Almost surely, 2^{113552454221537} is an apocalyptic number.

It is an amenable number.

113552454221537 is a deficient number, since it is larger than the sum of its proper divisors (1).

113552454221537 is an equidigital number, since it uses as much as digits as its factorization.

113552454221537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040000, while the sum is 50.

The spelling of 113552454221537 in words is "one hundred thirteen trillion, five hundred fifty-two billion, four hundred fifty-four million, two hundred twenty-one thousand, five hundred thirty-seven".