21063060481401 has 15 divisors (see below), whose sum is σ = 31464633532981. Its totient is φ = 14042012784228.

The previous prime is 21063060481399. The next prime is 21063060481481. The reversal of 21063060481401 is 10418406036012.

The square root of 21063060481401 is 4589451.

It is a perfect power (a square), and thus also a powerful number.

21063060481401 is a `hidden beast` number, since 2 + 1 + 0 + 6 + 3 + 0 + 604 + 8 + 1 + 40 + 1 = 666.

It is not a de Polignac number, because 21063060481401 - 2¹ = 21063060481399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21063060481481) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 41050090 + ... + 41560028.

Almost surely, 2^{21063060481401} is an apocalyptic number.

21063060481401 is the 4589451-st square number.

21063060481401 is the 2294726-th centered octagonal number.

It is an amenable number.

21063060481401 is a deficient number, since it is larger than the sum of its proper divisors (10401573051580).

21063060481401 is an frugal number, since it uses more digits than its factorization.

21063060481401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019890 (or 509942 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

Multiplying 21063060481401 by its sum of digits (36), we get a square (758270177330436 = 27536706²).

The spelling of 21063060481401 in words is "twenty-one trillion, sixty-three billion, sixty million, four hundred eighty-one thousand, four hundred one".