11813262447 has 16 divisors (see below), whose sum is σ = 19060054272. Its totient is φ = 6353351040.

The previous prime is 11813262437. The next prime is 11813262497. The reversal of 11813262447 is 74426231811.

It is not a de Polignac number, because 11813262447 - 2⁷ = 11813262319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11813262427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16544829 + ... + 16545542.

It is an arithmetic number, because the mean of its divisors is an integer number (1191253392).

Almost surely, 2^11813262447 is an apocalyptic number.

11813262447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11813262447 is a deficient number, since it is larger than the sum of its proper divisors (7246791825).

11813262447 is a wasteful number, since it uses less digits than its factorization.

11813262447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33090398.

The product of its digits is 64512, while the sum is 39.

The spelling of 11813262447 in words is "eleven billion, eight hundred thirteen million, two hundred sixty-two thousand, four hundred forty-seven".