80309526081 has 32 divisors (see below), whose sum is σ = 110837939328. Its totient is φ = 51694156800.

The previous prime is 80309526079. The next prime is 80309526103. The reversal of 80309526081 is 18062590308.

It is not a de Polignac number, because 80309526081 - 2¹ = 80309526079 is a prime.

It is a super-2 number, since 2×80309526081² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80309522081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12791115 + ... + 12797391.

It is an arithmetic number, because the mean of its divisors is an integer number (3463685604).

Almost surely, 2^80309526081 is an apocalyptic number.

It is an amenable number.

80309526081 is a deficient number, since it is larger than the sum of its proper divisors (30528413247).

80309526081 is a wasteful number, since it uses less digits than its factorization.

80309526081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7601.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 80309526081 in words is "eighty billion, three hundred nine million, five hundred twenty-six thousand, eighty-one".