2551265270503 has 4 divisors (see below), whose sum is σ = 2620218385960. Its totient is φ = 2482312155048.

The previous prime is 2551265270501. The next prime is 2551265270537. The reversal of 2551265270503 is 3050725621552.

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

It is not a de Polignac number, because 2551265270503 - 2¹ = 2551265270501 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 2551265270503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551265270501) 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, 34476557673 + ... + 34476557746.

It is an arithmetic number, because the mean of its divisors is an integer number (655054596490).

Almost surely, 2^{2551265270503} is an apocalyptic number.

2551265270503 is a deficient number, since it is larger than the sum of its proper divisors (68953115457).

2551265270503 is an equidigital number, since it uses as much as digits as its factorization.

2551265270503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68953115456.

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 2551265270503 in words is "two trillion, five hundred fifty-one billion, two hundred sixty-five million, two hundred seventy thousand, five hundred three".