11663205124 has 12 divisors (see below), whose sum is σ = 20745209548. Its totient is φ = 5736002400.

The previous prime is 11663205107. The next prime is 11663205133. The reversal of 11663205124 is 42150236611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 996033600 + 10667171524 = 31560^2 + 103282^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23899767 + ... + 23900254.

Almost surely, 2^11663205124 is an apocalyptic number.

It is an amenable number.

11663205124 is a deficient number, since it is larger than the sum of its proper divisors (9082004424).

11663205124 is a wasteful number, since it uses less digits than its factorization.

11663205124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47800086 (or 47800084 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 11663205124 in words is "eleven billion, six hundred sixty-three million, two hundred five thousand, one hundred twenty-four".