113204203511 has 16 divisors (see below), whose sum is σ = 130689381888. Its totient is φ = 96048136800.

The previous prime is 113204203507. The next prime is 113204203517. The reversal of 113204203511 is 115302402311.

It is not a de Polignac number, because 113204203511 - 2² = 113204203507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113204203517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1676381 + ... + 1742601.

It is an arithmetic number, because the mean of its divisors is an integer number (8168086368).

Almost surely, 2^113204203511 is an apocalyptic number.

113204203511 is a deficient number, since it is larger than the sum of its proper divisors (17485178377).

113204203511 is a wasteful number, since it uses less digits than its factorization.

113204203511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68702.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 113204203511 its reverse (115302402311), we get a palindrome (228506605822).

The spelling of 113204203511 in words is "one hundred thirteen billion, two hundred four million, two hundred three thousand, five hundred eleven".