2115151413 has 4 divisors (see below), whose sum is σ = 2820201888. Its totient is φ = 1410100940.

The previous prime is 2115151391. The next prime is 2115151417. The reversal of 2115151413 is 3141515112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2115151413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115151417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352525233 + ... + 352525238.

It is an arithmetic number, because the mean of its divisors is an integer number (705050472).

Almost surely, 2^2115151413 is an apocalyptic number.

It is an amenable number.

2115151413 is a deficient number, since it is larger than the sum of its proper divisors (705050475).

2115151413 is an equidigital number, since it uses as much as digits as its factorization.

2115151413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705050474.

The product of its digits is 600, while the sum is 24.

The square root of 2115151413 is about 45990.7753033149. The cubic root of 2115151413 is about 1283.6515629250.

Adding to 2115151413 its reverse (3141515112), we get a palindrome (5256666525).

The spelling of 2115151413 in words is "two billion, one hundred fifteen million, one hundred fifty-one thousand, four hundred thirteen".