107240047561 has 4 divisors (see below), whose sum is σ = 107245314324. Its totient is φ = 107234780800.

The previous prime is 107240047543. The next prime is 107240047567. The reversal of 107240047561 is 165740042701.

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 33510963600 + 73729083961 = 183060^2 + 271531^2 .

It is a cyclic number.

It is not a de Polignac number, because 107240047561 - 2⁹ = 107240047049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 107240047561.

It is not an unprimeable number, because it can be changed into a prime (107240047567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2602720 + ... + 2643601.

It is an arithmetic number, because the mean of its divisors is an integer number (26811328581).

Almost surely, 2^107240047561 is an apocalyptic number.

It is an amenable number.

107240047561 is a deficient number, since it is larger than the sum of its proper divisors (5266763).

107240047561 is an equidigital number, since it uses as much as digits as its factorization.

107240047561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5266762.

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 107240047561 in words is "one hundred seven billion, two hundred forty million, forty-seven thousand, five hundred sixty-one".