32231158491187 has 2 divisors, whose sum is σ = 32231158491188. Its totient is φ = 32231158491186.

The previous prime is 32231158491139. The next prime is 32231158491197. The reversal of 32231158491187 is 78119485113223.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32231158491187 - 2⁴³ = 23435065468979 is a prime.

It is not a weakly prime, because it can be changed into another prime (32231158491197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16115579245593 + 16115579245594.

It is an arithmetic number, because the mean of its divisors is an integer number (16115579245594).

Almost surely, 2^{32231158491187} is an apocalyptic number.

32231158491187 is a deficient number, since it is larger than the sum of its proper divisors (1).

32231158491187 is an equidigital number, since it uses as much as digits as its factorization.

32231158491187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 55.

The spelling of 32231158491187 in words is "thirty-two trillion, two hundred thirty-one billion, one hundred fifty-eight million, four hundred ninety-one thousand, one hundred eighty-seven".