21260553654314 has 16 divisors (see below), whose sum is σ = 34814436650952. Its totient is φ = 9678144549888.

The previous prime is 21260553654227. The next prime is 21260553654359. The reversal of 21260553654314 is 41345635506212.

It can be written as a sum of positive squares in 4 ways, for example, as 11505969282025 + 9754584372289 = 3392045^2 + 3123233^2 .

It is a super-2 number, since 2×21260553654314² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5600776199 + ... + 5600779994.

Almost surely, 2^{21260553654314} is an apocalyptic number.

21260553654314 is a deficient number, since it is larger than the sum of its proper divisors (13553882996638).

21260553654314 is a wasteful number, since it uses less digits than its factorization.

21260553654314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11201556281.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 21260553654314 in words is "twenty-one trillion, two hundred sixty billion, five hundred fifty-three million, six hundred fifty-four thousand, three hundred fourteen".