32081108557 has 2 divisors, whose sum is σ = 32081108558. Its totient is φ = 32081108556.

The previous prime is 32081108537. The next prime is 32081108597. The reversal of 32081108557 is 75580118023.

It is an a-pointer prime, because the next prime (32081108597) can be obtained adding 32081108557 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28080040041 + 4001068516 = 167571^2 + 63254^2 .

It is a cyclic number.

It is not a de Polignac number, because 32081108557 - 2³¹ = 29933624909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32081108537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16040554278 + 16040554279.

It is an arithmetic number, because the mean of its divisors is an integer number (16040554279).

Almost surely, 2^32081108557 is an apocalyptic number.

It is an amenable number.

32081108557 is a deficient number, since it is larger than the sum of its proper divisors (1).

32081108557 is an equidigital number, since it uses as much as digits as its factorization.

32081108557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 32081108557 in words is "thirty-two billion, eighty-one million, one hundred eight thousand, five hundred fifty-seven".