2115141287 has 8 divisors (see below), whose sum is σ = 2417698176. Its totient is φ = 1812682872.

The previous prime is 2115141283. The next prime is 2115141307. The reversal of 2115141287 is 7821415112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2115141287 - 2² = 2115141283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115141283) 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 7 ways as a sum of consecutive naturals, for example, 29288 + ... + 71330.

It is an arithmetic number, because the mean of its divisors is an integer number (302212272).

Almost surely, 2^2115141287 is an apocalyptic number.

2115141287 is a deficient number, since it is larger than the sum of its proper divisors (302556889).

2115141287 is an equidigital number, since it uses as much as digits as its factorization.

2115141287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49237.

The product of its digits is 4480, while the sum is 32.

The square root of 2115141287 is about 45990.6652158892. The cubic root of 2115141287 is about 1283.6495144859.

Adding to 2115141287 its reverse (7821415112), we get a palindrome (9936556399).

The spelling of 2115141287 in words is "two billion, one hundred fifteen million, one hundred forty-one thousand, two hundred eighty-seven".