109808181127 has 2 divisors, whose sum is σ = 109808181128. Its totient is φ = 109808181126.

The previous prime is 109808181101. The next prime is 109808181139. The reversal of 109808181127 is 721181808901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109808181127 - 2³¹ = 107660697479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109808181157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54904090563 + 54904090564.

It is an arithmetic number, because the mean of its divisors is an integer number (54904090564).

Almost surely, 2^109808181127 is an apocalyptic number.

109808181127 is a deficient number, since it is larger than the sum of its proper divisors (1).

109808181127 is an equidigital number, since it uses as much as digits as its factorization.

109808181127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 46.

The spelling of 109808181127 in words is "one hundred nine billion, eight hundred eight million, one hundred eighty-one thousand, one hundred twenty-seven".