21325422452311 has 16 divisors (see below), whose sum is σ = 21656435996160. Its totient is φ = 20996880976800.

The previous prime is 21325422452287. The next prime is 21325422452317. The reversal of 21325422452311 is 11325422452312.

It is a cyclic number.

It is not a de Polignac number, because 21325422452311 - 2¹⁹ = 21325421928023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21325422452317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144683110 + ... + 144830428.

It is an arithmetic number, because the mean of its divisors is an integer number (1353527249760).

Almost surely, 2^{21325422452311} is an apocalyptic number.

21325422452311 is a deficient number, since it is larger than the sum of its proper divisors (331013543849).

21325422452311 is a wasteful number, since it uses less digits than its factorization.

21325422452311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155694.

The product of its digits is 115200, while the sum is 37.

Subtracting from 21325422452311 its reverse (11325422452312), we obtain a palindrome (9999999999999).

The spelling of 21325422452311 in words is "twenty-one trillion, three hundred twenty-five billion, four hundred twenty-two million, four hundred fifty-two thousand, three hundred eleven".