11618020687 has 96 divisors (see below), whose sum is σ = 16087680000. Its totient is φ = 8281937664.

The previous prime is 11618020679. The next prime is 11618020693. The reversal of 11618020687 is 78602081611.

It is not a de Polignac number, because 11618020687 - 2³ = 11618020679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11618020487) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27727764 + ... + 27728182.

It is an arithmetic number, because the mean of its divisors is an integer number (167580000).

Almost surely, 2^11618020687 is an apocalyptic number.

11618020687 is a deficient number, since it is larger than the sum of its proper divisors (4469659313).

11618020687 is a wasteful number, since it uses less digits than its factorization.

11618020687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The spelling of 11618020687 in words is "eleven billion, six hundred eighteen million, twenty thousand, six hundred eighty-seven".