80051161240 has 32 divisors (see below), whose sum is σ = 180784710000. Its totient is φ = 31901425024.

The previous prime is 80051161219. The next prime is 80051161249. The reversal of 80051161240 is 4216115008.

It is a junction number, because it is equal to n+sod(n) for n = 80051161199 and 80051161208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80051161249) 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 7 ways as a sum of consecutive naturals, for example, 3709090 + ... + 3730609.

Almost surely, 2^80051161240 is an apocalyptic number.

It is an amenable number.

80051161240 is an abundant number, since it is smaller than the sum of its proper divisors (100733548760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80051161240 is a wasteful number, since it uses less digits than its factorization.

80051161240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7439979 (or 7439975 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

Adding to 80051161240 its reverse (4216115008), we get a palindrome (84267276248).

The spelling of 80051161240 in words is "eighty billion, fifty-one million, one hundred sixty-one thousand, two hundred forty".