21774035111334 has 64 divisors (see below), whose sum is σ = 47753501529600. Its totient is φ = 6563964971520.

The previous prime is 21774035111291. The next prime is 21774035111363. The reversal of 21774035111334 is 43311153047712.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82310062 + ... + 82574174.

It is an arithmetic number, because the mean of its divisors is an integer number (746148461400).

Almost surely, 2^{21774035111334} is an apocalyptic number.

21774035111334 is an abundant number, since it is smaller than the sum of its proper divisors (25979466418266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21774035111334 is a wasteful number, since it uses less digits than its factorization.

21774035111334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270605.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 21774035111334 in words is "twenty-one trillion, seven hundred seventy-four billion, thirty-five million, one hundred eleven thousand, three hundred thirty-four".