11177492499 has 6 divisors (see below), whose sum is σ = 16145266956. Its totient is φ = 7451661660.

The previous prime is 11177492497. The next prime is 11177492581. The reversal of 11177492499 is 99429477111.

It is not a de Polignac number, because 11177492499 - 2¹ = 11177492497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11177492497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 620971797 + ... + 620971814.

It is an arithmetic number, because the mean of its divisors is an integer number (2690877826).

Almost surely, 2^11177492499 is an apocalyptic number.

11177492499 is a deficient number, since it is larger than the sum of its proper divisors (4967774457).

11177492499 is a wasteful number, since it uses less digits than its factorization.

11177492499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241943617 (or 1241943614 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 54.

The spelling of 11177492499 in words is "eleven billion, one hundred seventy-seven million, four hundred ninety-two thousand, four hundred ninety-nine".