11313980775 has 120 divisors (see below), whose sum is σ = 21319123584. Its totient is φ = 5931144000.

The previous prime is 11313980753. The next prime is 11313980779. The reversal of 11313980775 is 57708931311.

It is not a de Polignac number, because 11313980775 - 2¹² = 11313976679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11313980775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313980779) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 49841212 + ... + 49841438.

Almost surely, 2^11313980775 is an apocalyptic number.

11313980775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11313980775 is a deficient number, since it is larger than the sum of its proper divisors (10005142809).

11313980775 is a wasteful number, since it uses less digits than its factorization.

11313980775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The spelling of 11313980775 in words is "eleven billion, three hundred thirteen million, nine hundred eighty thousand, seven hundred seventy-five".