109587513745 has 4 divisors (see below), whose sum is σ = 131505016500. Its totient is φ = 87670010992.

The previous prime is 109587513709. The next prime is 109587513757. The reversal of 109587513745 is 547315785901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19390005504 + 90197508241 = 139248^2 + 300329^2 .

It is a cyclic number.

It is not a de Polignac number, because 109587513745 - 2⁷ = 109587513617 is a prime.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 10958751370 + ... + 10958751379.

It is an arithmetic number, because the mean of its divisors is an integer number (32876254125).

Almost surely, 2^109587513745 is an apocalyptic number.

It is an amenable number.

109587513745 is a deficient number, since it is larger than the sum of its proper divisors (21917502755).

109587513745 is an equidigital number, since it uses as much as digits as its factorization.

109587513745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21917502754.

The product of its (nonzero) digits is 5292000, while the sum is 55.

The spelling of 109587513745 in words is "one hundred nine billion, five hundred eighty-seven million, five hundred thirteen thousand, seven hundred forty-five".