5185126089 has 128 divisors (see below), whose sum is σ = 9627932160. Its totient is φ = 2709504000.

The previous prime is 5185126081. The next prime is 5185126099. The reversal of 5185126089 is 9806215815.

It is a happy number.

5185126089 is a `hidden beast` number, since 51 + 8 + 512 + 6 + 0 + 89 = 666.

It is not a de Polignac number, because 5185126089 - 2³ = 5185126081 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5185126081) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12930289 + ... + 12930689.

It is an arithmetic number, because the mean of its divisors is an integer number (75218220).

Almost surely, 2^5185126089 is an apocalyptic number.

It is an amenable number.

5185126089 is a deficient number, since it is larger than the sum of its proper divisors (4442806071).

5185126089 is a wasteful number, since it uses less digits than its factorization.

5185126089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The square root of 5185126089 is about 72007.8196378699. The cubic root of 5185126089 is about 1730.8247917603.

The spelling of 5185126089 in words is "five billion, one hundred eighty-five million, one hundred twenty-six thousand, eighty-nine".