11313447761 has 48 divisors (see below), whose sum is σ = 15142993920. Its totient is φ = 8334900000.

The previous prime is 11313447703. The next prime is 11313447767. The reversal of 11313447761 is 16774431311.

It is a happy number.

It is not a de Polignac number, because 11313447761 - 2¹⁴ = 11313431377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11313447767) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7690256 + ... + 7691726.

It is an arithmetic number, because the mean of its divisors is an integer number (315479040).

Almost surely, 2^11313447761 is an apocalyptic number.

11313447761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11313447761 is a deficient number, since it is larger than the sum of its proper divisors (3829546159).

11313447761 is a wasteful number, since it uses less digits than its factorization.

11313447761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266 (or 2259 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The spelling of 11313447761 in words is "eleven billion, three hundred thirteen million, four hundred forty-seven thousand, seven hundred sixty-one".