113553454521497 has 2 divisors, whose sum is σ = 113553454521498. Its totient is φ = 113553454521496.

The previous prime is 113553454521443. The next prime is 113553454521511. The reversal of 113553454521497 is 794125454355311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101326047095056 + 12227407426441 = 10066084^2 + 3496771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113553454521497 is a prime.

It is not a weakly prime, because it can be changed into another prime (113553454541497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56776727260748 + 56776727260749.

It is an arithmetic number, because the mean of its divisors is an integer number (56776727260749).

Almost surely, 2^{113553454521497} is an apocalyptic number.

It is an amenable number.

113553454521497 is a deficient number, since it is larger than the sum of its proper divisors (1).

113553454521497 is an equidigital number, since it uses as much as digits as its factorization.

113553454521497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360000, while the sum is 59.

The spelling of 113553454521497 in words is "one hundred thirteen trillion, five hundred fifty-three billion, four hundred fifty-four million, five hundred twenty-one thousand, four hundred ninety-seven".