2515413545623 has 4 divisors (see below), whose sum is σ = 2744087504328. Its totient is φ = 2286739586920.

The previous prime is 2515413545549. The next prime is 2515413545657. The reversal of 2515413545623 is 3265453145152.

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 2515413545623 - 2²¹ = 2515411448471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515413545693) 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, 114336979336 + ... + 114336979357.

It is an arithmetic number, because the mean of its divisors is an integer number (686021876082).

Almost surely, 2^{2515413545623} is an apocalyptic number.

2515413545623 is a deficient number, since it is larger than the sum of its proper divisors (228673958705).

2515413545623 is a wasteful number, since it uses less digits than its factorization.

2515413545623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228673958704.

The product of its digits is 2160000, while the sum is 46.

The spelling of 2515413545623 in words is "two trillion, five hundred fifteen billion, four hundred thirteen million, five hundred forty-five thousand, six hundred twenty-three".