11768777449 has 32 divisors (see below), whose sum is σ = 14088670848. Its totient is φ = 9690240000.

The previous prime is 11768777443. The next prime is 11768777483. The reversal of 11768777449 is 94477786711.

It is a cyclic number.

It is not a de Polignac number, because 11768777449 - 2⁹ = 11768776937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11768777443) 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, 1628454 + ... + 1635664.

It is an arithmetic number, because the mean of its divisors is an integer number (440270964).

Almost surely, 2^11768777449 is an apocalyptic number.

It is an amenable number.

11768777449 is a deficient number, since it is larger than the sum of its proper divisors (2319893399).

11768777449 is a wasteful number, since it uses less digits than its factorization.

11768777449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7449.

The product of its digits is 16595712, while the sum is 61.

The spelling of 11768777449 in words is "eleven billion, seven hundred sixty-eight million, seven hundred seventy-seven thousand, four hundred forty-nine".