109133724187 has 2 divisors, whose sum is σ = 109133724188. Its totient is φ = 109133724186.

The previous prime is 109133724169. The next prime is 109133724221. The reversal of 109133724187 is 781427331901.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109133724187 is a prime.

It is not a weakly prime, because it can be changed into another prime (109133724487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54566862093 + 54566862094.

It is an arithmetic number, because the mean of its divisors is an integer number (54566862094).

Almost surely, 2^109133724187 is an apocalyptic number.

109133724187 is a deficient number, since it is larger than the sum of its proper divisors (1).

109133724187 is an equidigital number, since it uses as much as digits as its factorization.

109133724187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 109133724187 in words is "one hundred nine billion, one hundred thirty-three million, seven hundred twenty-four thousand, one hundred eighty-seven".