11275659616 has 48 divisors (see below), whose sum is σ = 24058977264. Its totient is φ = 5170973184.

The previous prime is 11275659607. The next prime is 11275659617. The reversal of 11275659616 is 61695657211.

It is a self number, because there is not a number n which added to its sum of digits gives 11275659616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11275659617) 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, 21010 + ... + 151633.

It is an arithmetic number, because the mean of its divisors is an integer number (501228693).

Almost surely, 2^11275659616 is an apocalyptic number.

11275659616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11275659616 is an abundant number, since it is smaller than the sum of its proper divisors (12783317648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11275659616 is a wasteful number, since it uses less digits than its factorization.

11275659616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172823 (or 172815 counting only the distinct ones).

The product of its digits is 680400, while the sum is 49.

The spelling of 11275659616 in words is "eleven billion, two hundred seventy-five million, six hundred fifty-nine thousand, six hundred sixteen".