11741347447 has 4 divisors (see below), whose sum is σ = 11743015480. Its totient is φ = 11739679416.

The previous prime is 11741347427. The next prime is 11741347469. The reversal of 11741347447 is 74474314711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74474314711 = 14479 ⋅5143609.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11741347447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11741347427) 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, 823413 + ... + 837550.

It is an arithmetic number, because the mean of its divisors is an integer number (2935753870).

Almost surely, 2^11741347447 is an apocalyptic number.

11741347447 is a deficient number, since it is larger than the sum of its proper divisors (1668033).

11741347447 is an equidigital number, since it uses as much as digits as its factorization.

11741347447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668032.

The product of its digits is 263424, while the sum is 43.

The spelling of 11741347447 in words is "eleven billion, seven hundred forty-one million, three hundred forty-seven thousand, four hundred forty-seven".