11263712497 has 4 divisors (see below), whose sum is σ = 11263988736. Its totient is φ = 11263436260.

The previous prime is 11263712477. The next prime is 11263712501. The reversal of 11263712497 is 79421736211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79421736211 = 29 ⋅2738680559.

It is a cyclic number.

It is not a de Polignac number, because 11263712497 - 2²⁷ = 11129494769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11263712407) 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, 63529 + ... + 162982.

It is an arithmetic number, because the mean of its divisors is an integer number (2815997184).

Almost surely, 2^11263712497 is an apocalyptic number.

It is an amenable number.

11263712497 is a deficient number, since it is larger than the sum of its proper divisors (276239).

11263712497 is an equidigital number, since it uses as much as digits as its factorization.

11263712497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276238.

The product of its digits is 127008, while the sum is 43.

The spelling of 11263712497 in words is "eleven billion, two hundred sixty-three million, seven hundred twelve thousand, four hundred ninety-seven".