80140551 has 8 divisors (see below), whose sum is σ = 106900080. Its totient is φ = 53404032.

The previous prime is 80140547. The next prime is 80140553. The reversal of 80140551 is 15504108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80140551 - 2² = 80140547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80140553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5551 + ... + 13823.

It is an arithmetic number, because the mean of its divisors is an integer number (13362510).

Almost surely, 2^80140551 is an apocalyptic number.

80140551 is a deficient number, since it is larger than the sum of its proper divisors (26759529).

80140551 is a wasteful number, since it uses less digits than its factorization.

80140551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11505.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 80140551 is about 8952.1255018012. The cubic root of 80140551 is about 431.1391303312.

Adding to 80140551 its reverse (15504108), we get a palindrome (95644659).

The spelling of 80140551 in words is "eighty million, one hundred forty thousand, five hundred fifty-one".