21455000532083 has 2 divisors, whose sum is σ = 21455000532084. Its totient is φ = 21455000532082.

The previous prime is 21455000532011. The next prime is 21455000532271. The reversal of 21455000532083 is 38023500055412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21455000532083 - 2²⁶ = 21454933423219 is a prime.

It is a super-2 number, since 2×21455000532083² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21455060532083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10727500266041 + 10727500266042.

It is an arithmetic number, because the mean of its divisors is an integer number (10727500266042).

Almost surely, 2^{21455000532083} is an apocalyptic number.

21455000532083 is a deficient number, since it is larger than the sum of its proper divisors (1).

21455000532083 is an equidigital number, since it uses as much as digits as its factorization.

21455000532083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 21455000532083 its reverse (38023500055412), we get a palindrome (59478500587495).

The spelling of 21455000532083 in words is "twenty-one trillion, four hundred fifty-five billion, five hundred thirty-two thousand, eighty-three".