11201987982247 has 2 divisors, whose sum is σ = 11201987982248. Its totient is φ = 11201987982246.

The previous prime is 11201987982179. The next prime is 11201987982293. The reversal of 11201987982247 is 74228978910211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11201987982247 - 2³⁵ = 11167628243879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201987982847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600993991123 + 5600993991124.

It is an arithmetic number, because the mean of its divisors is an integer number (5600993991124).

Almost surely, 2^{11201987982247} is an apocalyptic number.

11201987982247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201987982247 is an equidigital number, since it uses as much as digits as its factorization.

11201987982247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8128512, while the sum is 61.

The spelling of 11201987982247 in words is "eleven trillion, two hundred one billion, nine hundred eighty-seven million, nine hundred eighty-two thousand, two hundred forty-seven".