11131032099 has 32 divisors (see below), whose sum is σ = 16482631680. Its totient is φ = 6624644000.

The previous prime is 11131032053. The next prime is 11131032131. The reversal of 11131032099 is 99023013111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11131032099 - 2¹¹ = 11131030051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11131032499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2238514 + ... + 2243480.

It is an arithmetic number, because the mean of its divisors is an integer number (515082240).

Almost surely, 2^11131032099 is an apocalyptic number.

11131032099 is a deficient number, since it is larger than the sum of its proper divisors (5351599581).

11131032099 is a wasteful number, since it uses less digits than its factorization.

11131032099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191.

The product of its (nonzero) digits is 1458, while the sum is 30.

The spelling of 11131032099 in words is "eleven billion, one hundred thirty-one million, thirty-two thousand, ninety-nine".