108801388637 has 2 divisors, whose sum is σ = 108801388638. Its totient is φ = 108801388636.

The previous prime is 108801388621. The next prime is 108801388649. The reversal of 108801388637 is 736883108801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82434448996 + 26366939641 = 287114^2 + 162379^2 .

It is a cyclic number.

It is not a de Polignac number, because 108801388637 - 2⁴ = 108801388621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108891388637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54400694318 + 54400694319.

It is an arithmetic number, because the mean of its divisors is an integer number (54400694319).

Almost surely, 2^108801388637 is an apocalyptic number.

It is an amenable number.

108801388637 is a deficient number, since it is larger than the sum of its proper divisors (1).

108801388637 is an equidigital number, since it uses as much as digits as its factorization.

108801388637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 53.

The spelling of 108801388637 in words is "one hundred eight billion, eight hundred one million, three hundred eighty-eight thousand, six hundred thirty-seven".