1113320511 has 16 divisors (see below), whose sum is σ = 1665381120. Its totient is φ = 735005880.

The previous prime is 1113320503. The next prime is 1113320513. The reversal of 1113320511 is 1150233111.

1113320511 is a `hidden beast` number, since 1 + 1 + 133 + 20 + 511 = 666.

It is not a de Polignac number, because 1113320511 - 2³ = 1113320503 is a prime.

It is a super-2 number, since 2×1113320511² = 2478965120426602242, which contains 22 as substring.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113320513) 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, 197385 + ... + 202946.

It is an arithmetic number, because the mean of its divisors is an integer number (104086320).

Almost surely, 2^1113320511 is an apocalyptic number.

1113320511 is a deficient number, since it is larger than the sum of its proper divisors (552060609).

1113320511 is a wasteful number, since it uses less digits than its factorization.

1113320511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400443 (or 400437 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 1113320511 is about 33366.4578731396. The cubic root of 1113320511 is about 1036.4302260348.

Adding to 1113320511 its reverse (1150233111), we get a palindrome (2263553622).

The spelling of 1113320511 in words is "one billion, one hundred thirteen million, three hundred twenty thousand, five hundred eleven".