2115342434615 has 4 divisors (see below), whose sum is σ = 2538410921544. Its totient is φ = 1692273947688.

The previous prime is 2115342434609. The next prime is 2115342434659. The reversal of 2115342434615 is 5164342435112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2115342434615 - 2¹² = 2115342430519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211534243457 + ... + 211534243466.

It is an arithmetic number, because the mean of its divisors is an integer number (634602730386).

Almost surely, 2^{2115342434615} is an apocalyptic number.

2115342434615 is a deficient number, since it is larger than the sum of its proper divisors (423068486929).

2115342434615 is an equidigital number, since it uses as much as digits as its factorization.

2115342434615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423068486928.

The product of its digits is 345600, while the sum is 41.

Adding to 2115342434615 its reverse (5164342435112), we get a palindrome (7279684869727).

The spelling of 2115342434615 in words is "two trillion, one hundred fifteen billion, three hundred forty-two million, four hundred thirty-four thousand, six hundred fifteen".