11275853687 has 16 divisors (see below), whose sum is σ = 13923201600. Its totient is φ = 9096482304.

The previous prime is 11275853683. The next prime is 11275853717. The reversal of 11275853687 is 78635857211.

It is not a de Polignac number, because 11275853687 - 2² = 11275853683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11275853683) 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, 961058 + ... + 972719.

It is an arithmetic number, because the mean of its divisors is an integer number (870200100).

Almost surely, 2^11275853687 is an apocalyptic number.

11275853687 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11275853687 is a deficient number, since it is larger than the sum of its proper divisors (2647347913).

11275853687 is an equidigital number, since it uses as much as digits as its factorization.

11275853687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933815 (or 1933801 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 53.

The spelling of 11275853687 in words is "eleven billion, two hundred seventy-five million, eight hundred fifty-three thousand, six hundred eighty-seven".