945555085555 has 16 divisors (see below), whose sum is σ = 1141300917504. Its totient is φ = 752032580320.

The previous prime is 945555085469. The next prime is 945555085621. The reversal of 945555085555 is 555580555549.

It is not a de Polignac number, because 945555085555 - 2³¹ = 943407601907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 945555085493 and 945555085502.

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 15 ways as a sum of consecutive naturals, for example, 86569 + ... + 1377898.

It is an arithmetic number, because the mean of its divisors is an integer number (71331307344).

Almost surely, 2^945555085555 is an apocalyptic number.

945555085555 is a deficient number, since it is larger than the sum of its proper divisors (195745831949).

945555085555 is a wasteful number, since it uses less digits than its factorization.

945555085555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465226.

The product of its (nonzero) digits is 112500000, while the sum is 61.

The spelling of 945555085555 in words is "nine hundred forty-five billion, five hundred fifty-five million, eighty-five thousand, five hundred fifty-five".