11514657986 has 8 divisors (see below), whose sum is σ = 18600601404. Its totient is φ = 5314457520.

The previous prime is 11514657971. The next prime is 11514658003. The reversal of 11514657986 is 68975641511.

It can be written as a sum of positive squares in 2 ways, for example, as 11242572961 + 272085025 = 106031^2 + 16495^2 .

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

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, 221435705 + ... + 221435756.

Almost surely, 2^11514657986 is an apocalyptic number.

11514657986 is a deficient number, since it is larger than the sum of its proper divisors (7085943418).

11514657986 is a wasteful number, since it uses less digits than its factorization.

11514657986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442871476.

The product of its digits is 1814400, while the sum is 53.

The spelling of 11514657986 in words is "eleven billion, five hundred fourteen million, six hundred fifty-seven thousand, nine hundred eighty-six".