21455325325414 has 16 divisors (see below), whose sum is σ = 33890151214080. Its totient is φ = 10159052312520.

The previous prime is 21455325325409. The next prime is 21455325325477. The reversal of 21455325325414 is 41452352355412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110916702 + ... + 111109969.

It is an arithmetic number, because the mean of its divisors is an integer number (2118134450880).

Almost surely, 2^{21455325325414} is an apocalyptic number.

21455325325414 is a deficient number, since it is larger than the sum of its proper divisors (12434825888666).

21455325325414 is a wasteful number, since it uses less digits than its factorization.

21455325325414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222029235.

The product of its digits is 2880000, while the sum is 46.

The spelling of 21455325325414 in words is "twenty-one trillion, four hundred fifty-five billion, three hundred twenty-five million, three hundred twenty-five thousand, four hundred fourteen".