80542126011 has 8 divisors (see below), whose sum is σ = 108902029824. Its totient is φ = 52938486440.

The previous prime is 80542126009. The next prime is 80542126123. The reversal of 80542126011 is 11062124508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80542126011 - 2¹ = 80542126009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80542126011.

It is not an unprimeable number, because it can be changed into a prime (80542126411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189065811 + ... + 189066236.

It is an arithmetic number, because the mean of its divisors is an integer number (13612753728).

Almost surely, 2^80542126011 is an apocalyptic number.

80542126011 is a deficient number, since it is larger than the sum of its proper divisors (28359903813).

80542126011 is a wasteful number, since it uses less digits than its factorization.

80542126011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378132121.

The product of its (nonzero) digits is 3840, while the sum is 30.

The spelling of 80542126011 in words is "eighty billion, five hundred forty-two million, one hundred twenty-six thousand, eleven".