21811250230482 has 8 divisors (see below), whose sum is σ = 43622500460976. Its totient is φ = 7270416743492.

The previous prime is 21811250230457. The next prime is 21811250230489. The reversal of 21811250230482 is 28403205211812.

It is a sphenic number, since it is the product of 3 distinct primes.

21811250230482 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 21811250230482.

It is not an unprimeable number, because it can be changed into a prime (21811250230489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1817604185868 + ... + 1817604185879.

It is an arithmetic number, because the mean of its divisors is an integer number (5452812557622).

Almost surely, 2^{21811250230482} is an apocalyptic number.

21811250230482 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21811250230482 is a wasteful number, since it uses less digits than its factorization.

21811250230482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635208371752.

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 21811250230482 in words is "twenty-one trillion, eight hundred eleven billion, two hundred fifty million, two hundred thirty thousand, four hundred eighty-two".