11570270187 has 12 divisors (see below), whose sum is σ = 17945725416. Its totient is φ = 6611582880.

The previous prime is 11570270171. The next prime is 11570270189. The reversal of 11570270187 is 78107207511.

It is not a de Polignac number, because 11570270187 - 2⁴ = 11570270171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11570270189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39354514 + ... + 39354807.

It is an arithmetic number, because the mean of its divisors is an integer number (1495477118).

Almost surely, 2^11570270187 is an apocalyptic number.

11570270187 is a deficient number, since it is larger than the sum of its proper divisors (6375455229).

11570270187 is an equidigital number, since it uses as much as digits as its factorization.

11570270187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78709338 (or 78709331 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 39.

Adding to 11570270187 its reverse (78107207511), we get a palindrome (89677477698).

The spelling of 11570270187 in words is "eleven billion, five hundred seventy million, two hundred seventy thousand, one hundred eighty-seven".