25263443303 has 16 divisors (see below), whose sum is σ = 29013304320. Its totient is φ = 21549040416.

The previous prime is 25263443297. The next prime is 25263443311. The reversal of 25263443303 is 30334436252.

It is a cyclic number.

It is not a de Polignac number, because 25263443303 - 2⁴ = 25263443287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25263443353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1208978 + ... + 1229696.

It is an arithmetic number, because the mean of its divisors is an integer number (1813331520).

Almost surely, 2^25263443303 is an apocalyptic number.

25263443303 is a deficient number, since it is larger than the sum of its proper divisors (3749861017).

25263443303 is a wasteful number, since it uses less digits than its factorization.

25263443303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21566.

The product of its (nonzero) digits is 155520, while the sum is 35.

Adding to 25263443303 its reverse (30334436252), we get a palindrome (55597879555).

The spelling of 25263443303 in words is "twenty-five billion, two hundred sixty-three million, four hundred forty-three thousand, three hundred three".