80971405411 has 16 divisors (see below), whose sum is σ = 87998991808. Its totient is φ = 74060956800.

The previous prime is 80971405409. The next prime is 80971405453. The reversal of 80971405411 is 11450417908.

It is a cyclic number.

It is not a de Polignac number, because 80971405411 - 2¹ = 80971405409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80971405111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589666 + ... + 713896.

It is an arithmetic number, because the mean of its divisors is an integer number (5499936988).

Almost surely, 2^80971405411 is an apocalyptic number.

80971405411 is a deficient number, since it is larger than the sum of its proper divisors (7027586397).

80971405411 is a wasteful number, since it uses less digits than its factorization.

80971405411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124702.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 80971405411 in words is "eighty billion, nine hundred seventy-one million, four hundred five thousand, four hundred eleven".