11660343751 has 48 divisors (see below), whose sum is σ = 14561648640. Its totient is φ = 9288941760.

The previous prime is 11660343749. The next prime is 11660343767. The reversal of 11660343751 is 15734306611.

It is not a de Polignac number, because 11660343751 - 2¹ = 11660343749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11660343751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11660343701) 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, 9822780 + ... + 9823966.

It is an arithmetic number, because the mean of its divisors is an integer number (303367680).

Almost surely, 2^11660343751 is an apocalyptic number.

11660343751 is a deficient number, since it is larger than the sum of its proper divisors (2901304889).

11660343751 is a wasteful number, since it uses less digits than its factorization.

11660343751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484 (or 1477 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 11660343751 in words is "eleven billion, six hundred sixty million, three hundred forty-three thousand, seven hundred fifty-one".