18274729090911 has 16 divisors (see below), whose sum is σ = 24451415136000. Its totient is φ = 12140670447360.

The previous prime is 18274729090909. The next prime is 18274729090949. The reversal of 18274729090911 is 11909092747281.

It is not a de Polignac number, because 18274729090911 - 2¹ = 18274729090909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18274729090991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8062035 + ... + 10076996.

It is an arithmetic number, because the mean of its divisors is an integer number (1528213446000).

Almost surely, 2^{18274729090911} is an apocalyptic number.

18274729090911 is a deficient number, since it is larger than the sum of its proper divisors (6176686045089).

18274729090911 is a wasteful number, since it uses less digits than its factorization.

18274729090911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18140206.

The product of its (nonzero) digits is 4572288, while the sum is 60.

The spelling of 18274729090911 in words is "eighteen trillion, two hundred seventy-four billion, seven hundred twenty-nine million, ninety thousand, nine hundred eleven".