109845000761 has 4 divisors (see below), whose sum is σ = 116306471412. Its totient is φ = 103383530112.

The previous prime is 109845000739. The next prime is 109845000787. The reversal of 109845000761 is 167000548901.

109845000761 = 234355² + 234356².

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 54922266025 + 54922734736 = 234355^2 + 234356^2 .

It is a cyclic number.

It is not a de Polignac number, because 109845000761 - 2⁶ = 109845000697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109845000791) 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, 3230735300 + ... + 3230735333.

It is an arithmetic number, because the mean of its divisors is an integer number (29076617853).

Almost surely, 2^109845000761 is an apocalyptic number.

109845000761 is the 234356-th centered square number.

It is an amenable number.

109845000761 is a deficient number, since it is larger than the sum of its proper divisors (6461470651).

109845000761 is an equidigital number, since it uses as much as digits as its factorization.

109845000761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6461470650.

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 109845000761 in words is "one hundred nine billion, eight hundred forty-five million, seven hundred sixty-one", and thus it is an aban number.