21114551521314 has 48 divisors (see below), whose sum is σ = 46949604122304. Its totient is φ = 6855592053600.

The previous prime is 21114551521291. The next prime is 21114551521319. The reversal of 21114551521314 is 41312515541112.

It is a happy number.

21114551521314 is a `hidden beast` number, since 2 + 1 + 1 + 1 + 4 + 5 + 515 + 2 + 131 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (21114551521319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93236472 + ... + 93462659.

It is an arithmetic number, because the mean of its divisors is an integer number (978116752548).

Almost surely, 2^{21114551521314} is an apocalyptic number.

21114551521314 is an abundant number, since it is smaller than the sum of its proper divisors (25835052600990).

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

21114551521314 is a wasteful number, since it uses less digits than its factorization.

21114551521314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186699303 (or 186699300 counting only the distinct ones).

The product of its digits is 24000, while the sum is 36.

The spelling of 21114551521314 in words is "twenty-one trillion, one hundred fourteen billion, five hundred fifty-one million, five hundred twenty-one thousand, three hundred fourteen".