32811021091 has 2 divisors, whose sum is σ = 32811021092. Its totient is φ = 32811021090.

The previous prime is 32811021083. The next prime is 32811021127. The reversal of 32811021091 is 19012011823.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32811021091 - 2³ = 32811021083 is a prime.

It is not a weakly prime, because it can be changed into another prime (32811021011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16405510545 + 16405510546.

It is an arithmetic number, because the mean of its divisors is an integer number (16405510546).

Almost surely, 2^32811021091 is an apocalyptic number.

32811021091 is a deficient number, since it is larger than the sum of its proper divisors (1).

32811021091 is an equidigital number, since it uses as much as digits as its factorization.

32811021091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 32811021091 in words is "thirty-two billion, eight hundred eleven million, twenty-one thousand, ninety-one".