10606611987 has 12 divisors (see below), whose sum is σ = 15888094040. Its totient is φ = 7071074496.

The previous prime is 10606611959. The next prime is 10606611997. The reversal of 10606611987 is 78911660601.

It is a de Polignac number, because none of the positive numbers 2^k-10606611987 is a prime.

It is a super-3 number, since 3×10606611987³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10606611937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21824062 + ... + 21824547.

Almost surely, 2^10606611987 is an apocalyptic number.

10606611987 is a deficient number, since it is larger than the sum of its proper divisors (5281482053).

10606611987 is an frugal number, since it uses more digits than its factorization.

10606611987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43648624 (or 43648612 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 10606611987 in words is "ten billion, six hundred six million, six hundred eleven thousand, nine hundred eighty-seven".