1099492011 has 6 divisors (see below), whose sum is σ = 1588155140. Its totient is φ = 732994668.

The previous prime is 1099491971. The next prime is 1099492033. The reversal of 1099492011 is 1102949901.

It is not a de Polignac number, because 1099492011 - 2⁶ = 1099491947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1099492061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61082881 + ... + 61082898.

Almost surely, 2^1099492011 is an apocalyptic number.

1099492011 is a deficient number, since it is larger than the sum of its proper divisors (488663129).

1099492011 is a wasteful number, since it uses less digits than its factorization.

1099492011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122165785 (or 122165782 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The square root of 1099492011 is about 33158.5887968713. The cubic root of 1099492011 is about 1032.1211858544.

The spelling of 1099492011 in words is "one billion, ninety-nine million, four hundred ninety-two thousand, eleven".