20432151103591 has 2 divisors, whose sum is σ = 20432151103592. Its totient is φ = 20432151103590.

The previous prime is 20432151103537. The next prime is 20432151103633. The reversal of 20432151103591 is 19530115123402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20432151103591 - 2³⁵ = 20397791365223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20432151103591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20432151133591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10216075551795 + 10216075551796.

It is an arithmetic number, because the mean of its divisors is an integer number (10216075551796).

Almost surely, 2^{20432151103591} is an apocalyptic number.

20432151103591 is a deficient number, since it is larger than the sum of its proper divisors (1).

20432151103591 is an equidigital number, since it uses as much as digits as its factorization.

20432151103591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

Adding to 20432151103591 its reverse (19530115123402), we get a palindrome (39962266226993).

The spelling of 20432151103591 in words is "twenty trillion, four hundred thirty-two billion, one hundred fifty-one million, one hundred three thousand, five hundred ninety-one".