21255355023314 has 16 divisors (see below), whose sum is σ = 32982723486720. Its totient is φ = 10261119995280.

The previous prime is 21255355023299. The next prime is 21255355023319. The reversal of 21255355023314 is 41332055355212.

It is not an unprimeable number, because it can be changed into a prime (21255355023319) 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, 5752229 + ... + 8694759.

It is an arithmetic number, because the mean of its divisors is an integer number (2061420217920).

Almost surely, 2^{21255355023314} is an apocalyptic number.

21255355023314 is a deficient number, since it is larger than the sum of its proper divisors (11727368463406).

21255355023314 is a wasteful number, since it uses less digits than its factorization.

21255355023314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067105.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 21255355023314 in words is "twenty-one trillion, two hundred fifty-five billion, three hundred fifty-five million, twenty-three thousand, three hundred fourteen".