2506323645145 has 4 divisors (see below), whose sum is σ = 3007588374180. Its totient is φ = 2005058916112.

The previous prime is 2506323645139. The next prime is 2506323645151. The reversal of 2506323645145 is 5415463236052.

2506323645145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (2506323645139) and next prime (2506323645151).

It can be written as a sum of positive squares in 2 ways, for example, as 1030533583104 + 1475790062041 = 1015152^2 + 1214821^2 .

It is a cyclic number.

It is not a de Polignac number, because 2506323645145 - 2⁷ = 2506323645017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2506323645095 and 2506323645104.

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, 250632364510 + ... + 250632364519.

It is an arithmetic number, because the mean of its divisors is an integer number (751897093545).

Almost surely, 2^{2506323645145} is an apocalyptic number.

It is an amenable number.

2506323645145 is a deficient number, since it is larger than the sum of its proper divisors (501264729035).

2506323645145 is an equidigital number, since it uses as much as digits as its factorization.

2506323645145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501264729034.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 2506323645145 in words is "two trillion, five hundred six billion, three hundred twenty-three million, six hundred forty-five thousand, one hundred forty-five".