80561151 has 12 divisors (see below), whose sum is σ = 126945000. Its totient is φ = 48824880.

The previous prime is 80561123. The next prime is 80561161. The reversal of 80561151 is 15116508.

It is not a de Polignac number, because 80561151 - 2⁹ = 80560639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80561161) 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 11 ways as a sum of consecutive naturals, for example, 406776 + ... + 406973.

It is an arithmetic number, because the mean of its divisors is an integer number (10578750).

Almost surely, 2^80561151 is an apocalyptic number.

80561151 is a deficient number, since it is larger than the sum of its proper divisors (46383849).

80561151 is a wasteful number, since it uses less digits than its factorization.

80561151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813766 (or 813763 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 80561151 is about 8975.5863875292. The cubic root of 80561151 is about 431.8920608670.

Adding to 80561151 its reverse (15116508), we get a palindrome (95677659).

The spelling of 80561151 in words is "eighty million, five hundred sixty-one thousand, one hundred fifty-one".