11361861221847 has 8 divisors (see below), whose sum is σ = 15149338114944. Its totient is φ = 7574479238328.

The previous prime is 11361861221831. The next prime is 11361861221897. The reversal of 11361861221847 is 74812216816311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11361861221847 - 2⁴ = 11361861221831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11361861221847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11361861221897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23447593 + ... + 23927250.

It is an arithmetic number, because the mean of its divisors is an integer number (1893667264368).

Almost surely, 2^{11361861221847} is an apocalyptic number.

11361861221847 is a deficient number, since it is larger than the sum of its proper divisors (3787476893097).

11361861221847 is an equidigital number, since it uses as much as digits as its factorization.

11361861221847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47454789.

The product of its digits is 774144, while the sum is 51.

The spelling of 11361861221847 in words is "eleven trillion, three hundred sixty-one billion, eight hundred sixty-one million, two hundred twenty-one thousand, eight hundred forty-seven".