11731560745 has 8 divisors (see below), whose sum is σ = 14086912320. Its totient is φ = 9379222320.

The previous prime is 11731560739. The next prime is 11731560779. The reversal of 11731560745 is 54706513711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11731560745 - 2⁵ = 11731560713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11731560698 and 11731560707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744711 + ... + 760300.

It is an arithmetic number, because the mean of its divisors is an integer number (1760864040).

Almost surely, 2^11731560745 is an apocalyptic number.

It is an amenable number.

11731560745 is a deficient number, since it is larger than the sum of its proper divisors (2355351575).

11731560745 is a wasteful number, since it uses less digits than its factorization.

11731560745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506575.

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 11731560745 in words is "eleven billion, seven hundred thirty-one million, five hundred sixty thousand, seven hundred forty-five".