11659943053 has 4 divisors (see below), whose sum is σ = 12719937888. Its totient is φ = 10599948220.

The previous prime is 11659943041. The next prime is 11659943063. The reversal of 11659943053 is 35034995611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11659943053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11659942994 and 11659943012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11659943033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529997401 + ... + 529997422.

It is an arithmetic number, because the mean of its divisors is an integer number (3179984472).

Almost surely, 2^11659943053 is an apocalyptic number.

It is an amenable number.

11659943053 is a deficient number, since it is larger than the sum of its proper divisors (1059994835).

11659943053 is a wasteful number, since it uses less digits than its factorization.

11659943053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059994834.

The product of its (nonzero) digits is 437400, while the sum is 46.

The spelling of 11659943053 in words is "eleven billion, six hundred fifty-nine million, nine hundred forty-three thousand, fifty-three".