11291982847 has 2 divisors, whose sum is σ = 11291982848. Its totient is φ = 11291982846.

The previous prime is 11291982799. The next prime is 11291982907. The reversal of 11291982847 is 74828919211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11291982847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11291982794 and 11291982803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11291982347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5645991423 + 5645991424.

It is an arithmetic number, because the mean of its divisors is an integer number (5645991424).

Almost surely, 2^11291982847 is an apocalyptic number.

11291982847 is a deficient number, since it is larger than the sum of its proper divisors (1).

11291982847 is an equidigital number, since it uses as much as digits as its factorization.

11291982847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 52.

The spelling of 11291982847 in words is "eleven billion, two hundred ninety-one million, nine hundred eighty-two thousand, eight hundred forty-seven".