11346561656 has 16 divisors (see below), whose sum is σ = 21275966040. Its totient is φ = 5672970720.

The previous prime is 11346561649. The next prime is 11346561659. The reversal of 11346561656 is 65616564311.

It is a super-2 number, since 2×11346561656² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11346561659) 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, 212675 + ... + 260621.

Almost surely, 2^11346561656 is an apocalyptic number.

It is an amenable number.

11346561656 is a deficient number, since it is larger than the sum of its proper divisors (9929404384).

11346561656 is a wasteful number, since it uses less digits than its factorization.

11346561656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77534 (or 77530 counting only the distinct ones).

The product of its digits is 388800, while the sum is 44.

The spelling of 11346561656 in words is "eleven billion, three hundred forty-six million, five hundred sixty-one thousand, six hundred fifty-six".