994005005055 has 16 divisors (see below), whose sum is σ = 1590582824160. Its totient is φ = 530077730688.

The previous prime is 994005005051. The next prime is 994005005089. The reversal of 994005005055 is 550500500499.

It is not a de Polignac number, because 994005005055 - 2² = 994005005051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 994005004998 and 994005005016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994005005051) 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, 3500812 + ... + 3774081.

It is an arithmetic number, because the mean of its divisors is an integer number (99411426510).

Almost surely, 2^994005005055 is an apocalyptic number.

994005005055 is a deficient number, since it is larger than the sum of its proper divisors (596577819105).

994005005055 is a wasteful number, since it uses less digits than its factorization.

994005005055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7284010.

The product of its (nonzero) digits is 202500, while the sum is 42.

The spelling of 994005005055 in words is "nine hundred ninety-four billion, five million, five thousand, fifty-five".