389012855055 has 16 divisors (see below), whose sum is σ = 679004256384. Its totient is φ = 188612293280.

The previous prime is 389012855051. The next prime is 389012855071. The reversal of 389012855055 is 550558210983.

It is not a de Polignac number, because 389012855055 - 2² = 389012855051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 389012854989 and 389012855007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389012855051) 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, 1178826669 + ... + 1178826998.

It is an arithmetic number, because the mean of its divisors is an integer number (42437766024).

Almost surely, 2^389012855055 is an apocalyptic number.

389012855055 is a deficient number, since it is larger than the sum of its proper divisors (289991401329).

389012855055 is a wasteful number, since it uses less digits than its factorization.

389012855055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357653686.

The product of its (nonzero) digits is 2160000, while the sum is 51.

The spelling of 389012855055 in words is "three hundred eighty-nine billion, twelve million, eight hundred fifty-five thousand, fifty-five".