21118283837294 has 32 divisors (see below), whose sum is σ = 36214884814080. Its totient is φ = 9047665516032.

The previous prime is 21118283837207. The next prime is 21118283837333. The reversal of 21118283837294 is 49273838281112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614440142 + ... + 614474510.

It is an arithmetic number, because the mean of its divisors is an integer number (1131715150440).

Almost surely, 2^{21118283837294} is an apocalyptic number.

21118283837294 is a deficient number, since it is larger than the sum of its proper divisors (15096600976786).

21118283837294 is a wasteful number, since it uses less digits than its factorization.

21118283837294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47784.

The product of its digits is 9289728, while the sum is 59.

The spelling of 21118283837294 in words is "twenty-one trillion, one hundred eighteen billion, two hundred eighty-three million, eight hundred thirty-seven thousand, two hundred ninety-four".