85503240155 has 8 divisors (see below), whose sum is σ = 102647619312. Its totient is φ = 68373438048.

The previous prime is 85503240149. The next prime is 85503240167. The reversal of 85503240155 is 55104230558.

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

It is a cyclic number.

It is not a de Polignac number, because 85503240155 - 2¹² = 85503236059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3631352 + ... + 3654821.

It is an arithmetic number, because the mean of its divisors is an integer number (12830952414).

Almost surely, 2^85503240155 is an apocalyptic number.

85503240155 is a deficient number, since it is larger than the sum of its proper divisors (17144379157).

85503240155 is a wasteful number, since it uses less digits than its factorization.

85503240155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7288525.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 85503240155 in words is "eighty-five billion, five hundred three million, two hundred forty thousand, one hundred fifty-five".