2115441187 has 2 divisors, whose sum is σ = 2115441188. Its totient is φ = 2115441186.

The previous prime is 2115441179. The next prime is 2115441217. The reversal of 2115441187 is 7811445112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2115441187 - 2³ = 2115441179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2115441127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057720593 + 1057720594.

It is an arithmetic number, because the mean of its divisors is an integer number (1057720594).

Almost surely, 2^2115441187 is an apocalyptic number.

2115441187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115441187 is an equidigital number, since it uses as much as digits as its factorization.

2115441187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8960, while the sum is 34.

The square root of 2115441187 is about 45993.9255445760. The cubic root of 2115441187 is about 1283.7101799836.

Adding to 2115441187 its reverse (7811445112), we get a palindrome (9926886299).

The spelling of 2115441187 in words is "two billion, one hundred fifteen million, four hundred forty-one thousand, one hundred eighty-seven".