11263942513 has 6 divisors (see below), whose sum is σ = 11774972594. Its totient is φ = 10774205376.

The previous prime is 11263942457. The next prime is 11263942517. The reversal of 11263942513 is 31524936211.

It can be written as a sum of positive squares in only one way, i.e., 11115906624 + 148035889 = 105432^2 + 12167^2 .

It is not a de Polignac number, because 11263942513 - 2¹⁷ = 11263811441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11263942517) 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 5 ways as a sum of consecutive naturals, for example, 10645920 + ... + 10646977.

Almost surely, 2^11263942513 is an apocalyptic number.

It is an amenable number.

11263942513 is a deficient number, since it is larger than the sum of its proper divisors (511030081).

11263942513 is an equidigital number, since it uses as much as digits as its factorization.

11263942513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21292943 (or 21292920 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The spelling of 11263942513 in words is "eleven billion, two hundred sixty-three million, nine hundred forty-two thousand, five hundred thirteen".