11508974986 has 8 divisors (see below), whose sum is σ = 17730042660. Its totient is φ = 5598960768.

The previous prime is 11508974977. The next prime is 11508975011. The reversal of 11508974986 is 68947980511.

It can be written as a sum of positive squares in 2 ways, for example, as 11110214025 + 398760961 = 105405^2 + 19969^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 11508974986.

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, 77763271 + ... + 77763418.

Almost surely, 2^11508974986 is an apocalyptic number.

11508974986 is a deficient number, since it is larger than the sum of its proper divisors (6221067674).

11508974986 is a wasteful number, since it uses less digits than its factorization.

11508974986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155526728.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 11508974986 in words is "eleven billion, five hundred eight million, nine hundred seventy-four thousand, nine hundred eighty-six".