80150729291 has 4 divisors (see below), whose sum is σ = 83635543632. Its totient is φ = 76665914952.

The previous prime is 80150729287. The next prime is 80150729327. The reversal of 80150729291 is 19292705108.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80150729291 - 2² = 80150729287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80150723291) 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 3 ways as a sum of consecutive naturals, for example, 1742407136 + ... + 1742407181.

It is an arithmetic number, because the mean of its divisors is an integer number (20908885908).

Almost surely, 2^80150729291 is an apocalyptic number.

80150729291 is a deficient number, since it is larger than the sum of its proper divisors (3484814341).

80150729291 is a wasteful number, since it uses less digits than its factorization.

80150729291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484814340.

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 80150729291 in words is "eighty billion, one hundred fifty million, seven hundred twenty-nine thousand, two hundred ninety-one".