236128242885557 has 16 divisors (see below), whose sum is σ = 258551757699840. Its totient is φ = 213864321427200.

The previous prime is 236128242885547. The next prime is 236128242885671. The reversal of 236128242885557 is 755588242821632.

236128242885557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 236128242885557 - 2¹⁰ = 236128242884533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236128242885547) 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, 114861569 + ... + 116899257.

It is an arithmetic number, because the mean of its divisors is an integer number (16159484856240).

Almost surely, 2^{236128242885557} is an apocalyptic number.

It is an amenable number.

236128242885557 is a deficient number, since it is larger than the sum of its proper divisors (22423514814283).

236128242885557 is a wasteful number, since it uses less digits than its factorization.

236128242885557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076844.

The product of its digits is 516096000, while the sum is 68.

The spelling of 236128242885557 in words is "two hundred thirty-six trillion, one hundred twenty-eight billion, two hundred forty-two million, eight hundred eighty-five thousand, five hundred fifty-seven".