113253200521 has 2 divisors, whose sum is σ = 113253200522. Its totient is φ = 113253200520.

The previous prime is 113253200513. The next prime is 113253200527. The reversal of 113253200521 is 125002352311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93841744896 + 19411455625 = 306336^2 + 139325^2 .

It is a cyclic number.

It is not a de Polignac number, because 113253200521 - 2³ = 113253200513 is a prime.

It is not a weakly prime, because it can be changed into another prime (113253200527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56626600260 + 56626600261.

It is an arithmetic number, because the mean of its divisors is an integer number (56626600261).

Almost surely, 2^113253200521 is an apocalyptic number.

It is an amenable number.

113253200521 is a deficient number, since it is larger than the sum of its proper divisors (1).

113253200521 is an equidigital number, since it uses as much as digits as its factorization.

113253200521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 113253200521 its reverse (125002352311), we get a palindrome (238255552832).

The spelling of 113253200521 in words is "one hundred thirteen billion, two hundred fifty-three million, two hundred thousand, five hundred twenty-one".