43191054811 has 16 divisors (see below), whose sum is σ = 46965795840. Its totient is φ = 39563105920.

The previous prime is 43191054791. The next prime is 43191054853. The reversal of 43191054811 is 11845019134.

43191054811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 43191054811 - 2⁹ = 43191054299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43191054871) 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, 7975 + ... + 294016.

It is an arithmetic number, because the mean of its divisors is an integer number (2935362240).

Almost surely, 2^43191054811 is an apocalyptic number.

43191054811 is a deficient number, since it is larger than the sum of its proper divisors (3774741029).

43191054811 is a wasteful number, since it uses less digits than its factorization.

43191054811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302234.

The product of its (nonzero) digits is 17280, while the sum is 37.

The spelling of 43191054811 in words is "forty-three billion, one hundred ninety-one million, fifty-four thousand, eight hundred eleven".