108947071537 has 2 divisors, whose sum is σ = 108947071538. Its totient is φ = 108947071536.

The previous prime is 108947071517. The next prime is 108947071567. The reversal of 108947071537 is 735170749801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65167367841 + 43779703696 = 255279^2 + 209236^2 .

It is an emirp because it is prime and its reverse (735170749801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108947071537 is a prime.

It is not a weakly prime, because it can be changed into another prime (108947071507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54473535768 + 54473535769.

It is an arithmetic number, because the mean of its divisors is an integer number (54473535769).

Almost surely, 2^108947071537 is an apocalyptic number.

It is an amenable number.

108947071537 is a deficient number, since it is larger than the sum of its proper divisors (1).

108947071537 is an equidigital number, since it uses as much as digits as its factorization.

108947071537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1481760, while the sum is 52.

The spelling of 108947071537 in words is "one hundred eight billion, nine hundred forty-seven million, seventy-one thousand, five hundred thirty-seven".