13263040553 has 12 divisors (see below), whose sum is σ = 15439007232. Its totient is φ = 11360530440.

The previous prime is 13263040547. The next prime is 13263040559. The reversal of 13263040553 is 35504036231.

It is an interprime number because it is at equal distance from previous prime (13263040547) and next prime (13263040559).

It is not a de Polignac number, because 13263040553 - 2⁶ = 13263040489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13263040559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19925 + ... + 164082.

It is an arithmetic number, because the mean of its divisors is an integer number (1286583936).

Almost surely, 2^13263040553 is an apocalyptic number.

It is an amenable number.

13263040553 is a deficient number, since it is larger than the sum of its proper divisors (2175966679).

13263040553 is a wasteful number, since it uses less digits than its factorization.

13263040553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185492 (or 185485 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 13263040553 its reverse (35504036231), we get a palindrome (48767076784).

The spelling of 13263040553 in words is "thirteen billion, two hundred sixty-three million, forty thousand, five hundred fifty-three".