113204205511 has 2 divisors, whose sum is σ = 113204205512. Its totient is φ = 113204205510.

The previous prime is 113204205509. The next prime is 113204205523. The reversal of 113204205511 is 115502402311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113204205511 - 2¹ = 113204205509 is a prime.

It is a super-2 number, since 2×113204205511² (a number of 23 digits) contains 22 as substring.

Together with 113204205509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113204202511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56602102755 + 56602102756.

It is an arithmetic number, because the mean of its divisors is an integer number (56602102756).

Almost surely, 2^113204205511 is an apocalyptic number.

113204205511 is a deficient number, since it is larger than the sum of its proper divisors (1).

113204205511 is an equidigital number, since it uses as much as digits as its factorization.

113204205511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 113204205511 its reverse (115502402311), we get a palindrome (228706607822).

The spelling of 113204205511 in words is "one hundred thirteen billion, two hundred four million, two hundred five thousand, five hundred eleven".