43041227761 has 16 divisors (see below), whose sum is σ = 50232441600. Its totient is φ = 36113807808.

The previous prime is 43041227753. The next prime is 43041227797. The reversal of 43041227761 is 16772214034.

It is a cyclic number.

It is not a de Polignac number, because 43041227761 - 2³ = 43041227753 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 43041227761.

It is not an unprimeable number, because it can be changed into a prime (43041227161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30735 + ... + 295003.

It is an arithmetic number, because the mean of its divisors is an integer number (3139527600).

Almost surely, 2^43041227761 is an apocalyptic number.

It is an amenable number.

43041227761 is a deficient number, since it is larger than the sum of its proper divisors (7191213839).

43041227761 is a wasteful number, since it uses less digits than its factorization.

43041227761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264768.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 43041227761 in words is "forty-three billion, forty-one million, two hundred twenty-seven thousand, seven hundred sixty-one".