21113011041464 has 8 divisors (see below), whose sum is σ = 39586895702760. Its totient is φ = 10556505520728.

The previous prime is 21113011041457. The next prime is 21113011041503. The reversal of 21113011041464 is 46414011031112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319563190084 + ... + 1319563190099.

It is an arithmetic number, because the mean of its divisors is an integer number (4948361962845).

Almost surely, 2^{21113011041464} is an apocalyptic number.

It is an amenable number.

21113011041464 is a deficient number, since it is larger than the sum of its proper divisors (18473884661296).

21113011041464 is a wasteful number, since it uses less digits than its factorization.

21113011041464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639126380189 (or 2639126380185 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

Adding to 21113011041464 its reverse (46414011031112), we get a palindrome (67527022072576).

The spelling of 21113011041464 in words is "twenty-one trillion, one hundred thirteen billion, eleven million, forty-one thousand, four hundred sixty-four".