43677374118811 has 2 divisors, whose sum is σ = 43677374118812. Its totient is φ = 43677374118810.

The previous prime is 43677374118797. The next prime is 43677374118871. The reversal of 43677374118811 is 11881147377634.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43677374118811 - 2³³ = 43668784184219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43677374118811.

It is not a weakly prime, because it can be changed into another prime (43677374118871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21838687059405 + 21838687059406.

It is an arithmetic number, because the mean of its divisors is an integer number (21838687059406).

Almost surely, 2^{43677374118811} is an apocalyptic number.

43677374118811 is a deficient number, since it is larger than the sum of its proper divisors (1).

43677374118811 is an equidigital number, since it uses as much as digits as its factorization.

43677374118811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18966528, while the sum is 61.

The spelling of 43677374118811 in words is "forty-three trillion, six hundred seventy-seven billion, three hundred seventy-four million, one hundred eighteen thousand, eight hundred eleven".