2315155415243 has 16 divisors (see below), whose sum is σ = 2584256248800. Its totient is φ = 2056289740800.

The previous prime is 2315155415227. The next prime is 2315155415249. The reversal of 2315155415243 is 3425145515132.

It is a cyclic number.

It is not a de Polignac number, because 2315155415243 - 2⁴ = 2315155415227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2315155415243.

It is not an unprimeable number, because it can be changed into a prime (2315155415249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11478230 + ... + 11678187.

It is an arithmetic number, because the mean of its divisors is an integer number (161516015550).

Almost surely, 2^{2315155415243} is an apocalyptic number.

2315155415243 is a deficient number, since it is larger than the sum of its proper divisors (269100833557).

2315155415243 is a wasteful number, since it uses less digits than its factorization.

2315155415243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23156638.

The product of its digits is 360000, while the sum is 41.

The spelling of 2315155415243 in words is "two trillion, three hundred fifteen billion, one hundred fifty-five million, four hundred fifteen thousand, two hundred forty-three".