80756018655 has 16 divisors (see below), whose sum is σ = 139148832480. Its totient is φ = 39756809088.

The previous prime is 80756018653. The next prime is 80756018659. The reversal of 80756018655 is 55681065708.

It is not a de Polignac number, because 80756018655 - 2¹ = 80756018653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80756018598 and 80756018607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80756018653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207066520 + ... + 207066909.

It is an arithmetic number, because the mean of its divisors is an integer number (8696802030).

Almost surely, 2^80756018655 is an apocalyptic number.

80756018655 is a deficient number, since it is larger than the sum of its proper divisors (58392813825).

80756018655 is a wasteful number, since it uses less digits than its factorization.

80756018655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414133450.

The product of its (nonzero) digits is 2016000, while the sum is 51.

The spelling of 80756018655 in words is "eighty billion, seven hundred fifty-six million, eighteen thousand, six hundred fifty-five".