245263553503 has 12 divisors (see below), whose sum is σ = 256437934200. Its totient is φ = 234556814096.

The previous prime is 245263553473. The next prime is 245263553527. The reversal of 245263553503 is 305355362542.

It is not a de Polignac number, because 245263553503 - 2⁵ = 245263553471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245263553503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245263553803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3051273 + ... + 3130621.

It is an arithmetic number, because the mean of its divisors is an integer number (21369827850).

Almost surely, 2^245263553503 is an apocalyptic number.

245263553503 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

245263553503 is a deficient number, since it is larger than the sum of its proper divisors (11174380697).

245263553503 is an equidigital number, since it uses as much as digits as its factorization.

245263553503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85238 (or 85215 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 43.

The spelling of 245263553503 in words is "two hundred forty-five billion, two hundred sixty-three million, five hundred fifty-three thousand, five hundred three".