11200331187 has 16 divisors (see below), whose sum is σ = 17569147680. Its totient is φ = 7027658496.

The previous prime is 11200331171. The next prime is 11200331201. The reversal of 11200331187 is 78113300211.

It is a happy number.

It is not a de Polignac number, because 11200331187 - 2⁴ = 11200331171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 11200331187.

It is not an unprimeable number, because it can be changed into a prime (11200331687) 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, 12200338 + ... + 12201255.

It is an arithmetic number, because the mean of its divisors is an integer number (1098071730).

Almost surely, 2^11200331187 is an apocalyptic number.

11200331187 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11200331187 is a deficient number, since it is larger than the sum of its proper divisors (6368816493).

11200331187 is a wasteful number, since it uses less digits than its factorization.

11200331187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24401619 (or 24401613 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

Adding to 11200331187 its reverse (78113300211), we get a palindrome (89313631398).

The spelling of 11200331187 in words is "eleven billion, two hundred million, three hundred thirty-one thousand, one hundred eighty-seven".