11222472871873 has 4 divisors (see below), whose sum is σ = 11222479582128. Its totient is φ = 11222466161620.

The previous prime is 11222472871847. The next prime is 11222472871877. The reversal of 11222472871873 is 37817827422211.

It is a happy number.

11222472871873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11222472871873 - 2¹³ = 11222472863681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222472871877) 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, 1399338 + ... + 4939948.

It is an arithmetic number, because the mean of its divisors is an integer number (2805619895532).

Almost surely, 2^{11222472871873} is an apocalyptic number.

It is an amenable number.

11222472871873 is a deficient number, since it is larger than the sum of its proper divisors (6710255).

11222472871873 is an equidigital number, since it uses as much as digits as its factorization.

11222472871873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6710254.

The product of its digits is 4214784, while the sum is 55.

The spelling of 11222472871873 in words is "eleven trillion, two hundred twenty-two billion, four hundred seventy-two million, eight hundred seventy-one thousand, eight hundred seventy-three".