556891428135 has 192 divisors, whose sum is σ = 1118558453760. Its totient is φ = 231538487040.

The previous prime is 556891428131. The next prime is 556891428179. The reversal of 556891428135 is 531824198655.

It is not a de Polignac number, because 556891428135 - 2² = 556891428131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556891428131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 96162090 + ... + 96167880.

It is an arithmetic number, because the mean of its divisors is an integer number (5825825280).

Almost surely, 2^556891428135 is an apocalyptic number.

556891428135 is an abundant number, since it is smaller than the sum of its proper divisors (561667025625).

556891428135 is a wasteful number, since it uses less digits than its factorization.

556891428135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5946 (or 5927 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 57.

The spelling of 556891428135 in words is "five hundred fifty-six billion, eight hundred ninety-one million, four hundred twenty-eight thousand, one hundred thirty-five".