5155611489 has 36 divisors (see below), whose sum is σ = 8671540644. Its totient is φ = 2943101952.

The previous prime is 5155611473. The next prime is 5155611523. The reversal of 5155611489 is 9841165515.

5155611489 is a `hidden beast` number, since 5 + 1 + 5 + 561 + 1 + 4 + 89 = 666.

5155611489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 774230625 + 4381380864 = 27825^2 + 66192^2 .

It is not a de Polignac number, because 5155611489 - 2⁴ = 5155611473 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5155610489) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 478449 + ... + 489105.

It is an arithmetic number, because the mean of its divisors is an integer number (240876129).

Almost surely, 2^5155611489 is an apocalyptic number.

It is an amenable number.

5155611489 is a deficient number, since it is larger than the sum of its proper divisors (3515929155).

5155611489 is a wasteful number, since it uses less digits than its factorization.

5155611489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11774 (or 11764 counting only the distinct ones).

The product of its digits is 216000, while the sum is 45.

The square root of 5155611489 is about 71802.5869241492. The cubic root of 5155611489 is about 1727.5344933470.

The spelling of 5155611489 in words is "five billion, one hundred fifty-five million, six hundred eleven thousand, four hundred eighty-nine".