109117537 has 2 divisors, whose sum is σ = 109117538. Its totient is φ = 109117536.

The previous prime is 109117499. The next prime is 109117549. The reversal of 109117537 is 735711901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109077136 + 40401 = 10444^2 + 201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109117537 is a prime.

It is not a weakly prime, because it can be changed into another prime (109147537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54558768 + 54558769.

It is an arithmetic number, because the mean of its divisors is an integer number (54558769).

Almost surely, 2^109117537 is an apocalyptic number.

It is an amenable number.

109117537 is a deficient number, since it is larger than the sum of its proper divisors (1).

109117537 is an equidigital number, since it uses as much as digits as its factorization.

109117537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6615, while the sum is 34.

The square root of 109117537 is about 10445.9339936647. The cubic root of 109117537 is about 477.8572559186.

The spelling of 109117537 in words is "one hundred nine million, one hundred seventeen thousand, five hundred thirty-seven".