32081108537 has 2 divisors, whose sum is σ = 32081108538. Its totient is φ = 32081108536.

The previous prime is 32081108483. The next prime is 32081108557. The reversal of 32081108537 is 73580118023.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23244356521 + 8836752016 = 152461^2 + 94004^2 .

It is a cyclic number.

It is not a de Polignac number, because 32081108537 - 2¹⁸ = 32080846393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32081108537.

It is not a weakly prime, because it can be changed into another prime (32081108557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16040554268 + 16040554269.

It is an arithmetic number, because the mean of its divisors is an integer number (16040554269).

Almost surely, 2^32081108537 is an apocalyptic number.

It is an amenable number.

32081108537 is a deficient number, since it is larger than the sum of its proper divisors (1).

32081108537 is an equidigital number, since it uses as much as digits as its factorization.

32081108537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 32081108537 in words is "thirty-two billion, eighty-one million, one hundred eight thousand, five hundred thirty-seven".