2141551515 has 16 divisors (see below), whose sum is σ = 3427354368. Its totient is φ = 1141870176.

The previous prime is 2141551499. The next prime is 2141551537. The reversal of 2141551515 is 5151551412.

It is not a de Polignac number, because 2141551515 - 2⁴ = 2141551499 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51322 + ... + 83168.

It is an arithmetic number, because the mean of its divisors is an integer number (214209648).

Almost surely, 2^2141551515 is an apocalyptic number.

2141551515 is a deficient number, since it is larger than the sum of its proper divisors (1285802853).

2141551515 is a wasteful number, since it uses less digits than its factorization.

2141551515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36338.

The product of its digits is 5000, while the sum is 30.

The square root of 2141551515 is about 46276.9004471994. The cubic root of 2141551515 is about 1288.9700961834.

The spelling of 2141551515 in words is "two billion, one hundred forty-one million, five hundred fifty-one thousand, five hundred fifteen".