11315732749 has 16 divisors (see below), whose sum is σ = 11864361600. Its totient is φ = 10778475456.

The previous prime is 11315732719. The next prime is 11315732759. The reversal of 11315732749 is 94723751311.

It is a cyclic number.

It is not a de Polignac number, because 11315732749 - 2⁷ = 11315732621 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 (11315732719) 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, 796462 + ... + 810544.

It is an arithmetic number, because the mean of its divisors is an integer number (741522600).

Almost surely, 2^11315732749 is an apocalyptic number.

It is an amenable number.

11315732749 is a deficient number, since it is larger than the sum of its proper divisors (548628851).

11315732749 is a wasteful number, since it uses less digits than its factorization.

11315732749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14484.

The product of its digits is 158760, while the sum is 43.

The spelling of 11315732749 in words is "eleven billion, three hundred fifteen million, seven hundred thirty-two thousand, seven hundred forty-nine".