80251011 has 6 divisors (see below), whose sum is σ = 115918140. Its totient is φ = 53500668.

The previous prime is 80250997. The next prime is 80251013. The reversal of 80251011 is 11015208.

It is not a de Polignac number, because 80251011 - 2¹¹ = 80248963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80251013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4458381 + ... + 4458398.

It is an arithmetic number, because the mean of its divisors is an integer number (19319690).

Almost surely, 2^80251011 is an apocalyptic number.

80251011 is a deficient number, since it is larger than the sum of its proper divisors (35667129).

80251011 is a wasteful number, since it uses less digits than its factorization.

80251011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8916785 (or 8916782 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 80251011 is about 8958.2928619241. The cubic root of 80251011 is about 431.3371231665.

Adding to 80251011 its reverse (11015208), we get a palindrome (91266219).

The spelling of 80251011 in words is "eighty million, two hundred fifty-one thousand, eleven".