11187561113274 has 64 divisors (see below), whose sum is σ = 28005368186880. Its totient is φ = 2900555974080.

The previous prime is 11187561113257. The next prime is 11187561113291. The reversal of 11187561113274 is 47231116578111.

It is an interprime number because it is at equal distance from previous prime (11187561113257) and next prime (11187561113291).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173612182 + ... + 173676609.

It is an arithmetic number, because the mean of its divisors is an integer number (437583877920).

Almost surely, 2^{11187561113274} is an apocalyptic number.

11187561113274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11187561113274 is an abundant number, since it is smaller than the sum of its proper divisors (16817807073606).

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

11187561113274 is a wasteful number, since it uses less digits than its factorization.

11187561113274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347288875.

The product of its digits is 282240, while the sum is 48.

The spelling of 11187561113274 in words is "eleven trillion, one hundred eighty-seven billion, five hundred sixty-one million, one hundred thirteen thousand, two hundred seventy-four".