21113161024654 has 8 divisors (see below), whose sum is σ = 31669766144280. Its totient is φ = 10556572309896.

The previous prime is 21113161024633. The next prime is 21113161024693. The reversal of 21113161024654 is 45642016131112.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104869 + ... + 6499024.

It is an arithmetic number, because the mean of its divisors is an integer number (3958720768035).

Almost surely, 2^{21113161024654} is an apocalyptic number.

21113161024654 is a deficient number, since it is larger than the sum of its proper divisors (10556605119626).

21113161024654 is a wasteful number, since it uses less digits than its factorization.

21113161024654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8202434.

The product of its (nonzero) digits is 34560, while the sum is 37.

Adding to 21113161024654 its reverse (45642016131112), we get a palindrome (66755177155766).

The spelling of 21113161024654 in words is "twenty-one trillion, one hundred thirteen billion, one hundred sixty-one million, twenty-four thousand, six hundred fifty-four".