2115251841 has 8 divisors (see below), whose sum is σ = 2862430624. Its totient is φ = 1389120480.

The previous prime is 2115251837. The next prime is 2115251857. The reversal of 2115251841 is 1481525112.

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

It is not a de Polignac number, because 2115251841 - 2² = 2115251837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2115251799 and 2115251808.

It is not an unprimeable number, because it can be changed into a prime (2115251881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5261620 + ... + 5262021.

It is an arithmetic number, because the mean of its divisors is an integer number (357803828).

Almost surely, 2^2115251841 is an apocalyptic number.

It is an amenable number.

2115251841 is a deficient number, since it is larger than the sum of its proper divisors (747178783).

2115251841 is a wasteful number, since it uses less digits than its factorization.

2115251841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10523711.

The product of its digits is 3200, while the sum is 30.

The square root of 2115251841 is about 45991.8671180025. The cubic root of 2115251841 is about 1283.6718786525.

Adding to 2115251841 its reverse (1481525112), we get a palindrome (3596776953).

The spelling of 2115251841 in words is "two billion, one hundred fifteen million, two hundred fifty-one thousand, eight hundred forty-one".