2506345611203 has 4 divisors (see below), whose sum is σ = 2864394984240. Its totient is φ = 2148296238168.

The previous prime is 2506345611193. The next prime is 2506345611229. The reversal of 2506345611203 is 3021165436052.

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 2506345611203 - 2⁶ = 2506345611139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2506345611293) 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, 179024686508 + ... + 179024686521.

It is an arithmetic number, because the mean of its divisors is an integer number (716098746060).

Almost surely, 2^{2506345611203} is an apocalyptic number.

2506345611203 is a deficient number, since it is larger than the sum of its proper divisors (358049373037).

2506345611203 is an equidigital number, since it uses as much as digits as its factorization.

2506345611203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358049373036.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 2506345611203 in words is "two trillion, five hundred six billion, three hundred forty-five million, six hundred eleven thousand, two hundred three".