1118106687 has 16 divisors (see below), whose sum is σ = 1553328000. Its totient is φ = 714515424.

The previous prime is 1118106611. The next prime is 1118106701. The reversal of 1118106687 is 7866018111.

It is not a de Polignac number, because 1118106687 - 2¹⁰ = 1118105663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118106607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34137 + ... + 58322.

It is an arithmetic number, because the mean of its divisors is an integer number (97083000).

Almost surely, 2^1118106687 is an apocalyptic number.

1118106687 is a deficient number, since it is larger than the sum of its proper divisors (435221313).

1118106687 is a wasteful number, since it uses less digits than its factorization.

1118106687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92630.

The product of its (nonzero) digits is 16128, while the sum is 39.

The square root of 1118106687 is about 33438.1023235470. The cubic root of 1118106687 is about 1037.9133107610.

The spelling of 1118106687 in words is "one billion, one hundred eighteen million, one hundred six thousand, six hundred eighty-seven".