11001660987 has 8 divisors (see below), whose sum is σ = 14669415936. Its totient is φ = 7334173352.

The previous prime is 11001660979. The next prime is 11001661003. The reversal of 11001660987 is 78906610011.

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

It is a cyclic number.

It is not a de Polignac number, because 11001660987 - 2³ = 11001660979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11001661987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68158 + ... + 163244.

It is an arithmetic number, because the mean of its divisors is an integer number (1833676992).

Almost surely, 2^11001660987 is an apocalyptic number.

11001660987 is a deficient number, since it is larger than the sum of its proper divisors (3667754949).

11001660987 is an equidigital number, since it uses as much as digits as its factorization.

11001660987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133657.

The product of its (nonzero) digits is 18144, while the sum is 39.

The spelling of 11001660987 in words is "eleven billion, one million, six hundred sixty thousand, nine hundred eighty-seven".