21011452031183 has 2 divisors, whose sum is σ = 21011452031184. Its totient is φ = 21011452031182.

The previous prime is 21011452031179. The next prime is 21011452031243. The reversal of 21011452031183 is 38113025411012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21011452031183 - 2² = 21011452031179 is a prime.

It is a super-2 number, since 2×21011452031183² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21011452031173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10505726015591 + 10505726015592.

It is an arithmetic number, because the mean of its divisors is an integer number (10505726015592).

Almost surely, 2^{21011452031183} is an apocalyptic number.

21011452031183 is a deficient number, since it is larger than the sum of its proper divisors (1).

21011452031183 is an equidigital number, since it uses as much as digits as its factorization.

21011452031183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

Adding to 21011452031183 its reverse (38113025411012), we get a palindrome (59124477442195).

The spelling of 21011452031183 in words is "twenty-one trillion, eleven billion, four hundred fifty-two million, thirty-one thousand, one hundred eighty-three".