113204256553 has 2 divisors, whose sum is σ = 113204256554. Its totient is φ = 113204256552.

The previous prime is 113204256493. The next prime is 113204256601. The reversal of 113204256553 is 355652402311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79345312489 + 33858944064 = 281683^2 + 184008^2 .

It is a cyclic number.

It is not a de Polignac number, because 113204256553 - 2¹⁷ = 113204125481 is a prime.

It is not a weakly prime, because it can be changed into another prime (113204253553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56602128276 + 56602128277.

It is an arithmetic number, because the mean of its divisors is an integer number (56602128277).

Almost surely, 2^113204256553 is an apocalyptic number.

It is an amenable number.

113204256553 is a deficient number, since it is larger than the sum of its proper divisors (1).

113204256553 is an equidigital number, since it uses as much as digits as its factorization.

113204256553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 113204256553 its reverse (355652402311), we get a palindrome (468856658864).

The spelling of 113204256553 in words is "one hundred thirteen billion, two hundred four million, two hundred fifty-six thousand, five hundred fifty-three".