80130778011 has 32 divisors (see below), whose sum is σ = 128337612800. Its totient is φ = 49241092320.

The previous prime is 80130778003. The next prime is 80130778031. The reversal of 80130778011 is 11087703108.

It is not a de Polignac number, because 80130778011 - 2³ = 80130778003 is a prime.

It is a super-2 number, since 2×80130778011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80130778031) 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 31 ways as a sum of consecutive naturals, for example, 2091835 + ... + 2129796.

It is an arithmetic number, because the mean of its divisors is an integer number (4010550400).

Almost surely, 2^80130778011 is an apocalyptic number.

80130778011 is a deficient number, since it is larger than the sum of its proper divisors (48206834789).

80130778011 is a wasteful number, since it uses less digits than its factorization.

80130778011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221696 (or 4221690 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 36.

The spelling of 80130778011 in words is "eighty billion, one hundred thirty million, seven hundred seventy-eight thousand, eleven".