80805750250555 has 16 divisors (see below), whose sum is σ = 105816318040800. Its totient is φ = 58748793372160.

The previous prime is 80805750250553. The next prime is 80805750250583. The reversal of 80805750250555 is 55505205750808.

It is a happy number.

It is not a de Polignac number, because 80805750250555 - 2¹ = 80805750250553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 80805750250496 and 80805750250505.

It is not an unprimeable number, because it can be changed into a prime (80805750250553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237640960 + ... + 237980749.

It is an arithmetic number, because the mean of its divisors is an integer number (6613519877550).

Almost surely, 2^{80805750250555} is an apocalyptic number.

80805750250555 is a deficient number, since it is larger than the sum of its proper divisors (25010567790245).

80805750250555 is a wasteful number, since it uses less digits than its factorization.

80805750250555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475624814.

The product of its (nonzero) digits is 14000000, while the sum is 55.

The spelling of 80805750250555 in words is "eighty trillion, eight hundred five billion, seven hundred fifty million, two hundred fifty thousand, five hundred fifty-five".