21532532132611 has 2 divisors, whose sum is σ = 21532532132612. Its totient is φ = 21532532132610.

The previous prime is 21532532132603. The next prime is 21532532132627. The reversal of 21532532132611 is 11623123523512.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21532532132611 - 2³ = 21532532132603 is a prime.

It is not a weakly prime, because it can be changed into another prime (21532532132641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10766266066305 + 10766266066306.

It is an arithmetic number, because the mean of its divisors is an integer number (10766266066306).

Almost surely, 2^{21532532132611} is an apocalyptic number.

21532532132611 is a deficient number, since it is larger than the sum of its proper divisors (1).

21532532132611 is an equidigital number, since it uses as much as digits as its factorization.

21532532132611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

The spelling of 21532532132611 in words is "twenty-one trillion, five hundred thirty-two billion, five hundred thirty-two million, one hundred thirty-two thousand, six hundred eleven".