5155186812 has 48 divisors (see below), whose sum is σ = 12154931712. Its totient is φ = 1700409600.

The previous prime is 5155186787. The next prime is 5155186847. The reversal of 5155186812 is 2186815515.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1540413 + ... + 1543755.

It is an arithmetic number, because the mean of its divisors is an integer number (253227744).

Almost surely, 2^5155186812 is an apocalyptic number.

It is an amenable number.

5155186812 is an abundant number, since it is smaller than the sum of its proper divisors (6999744900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5155186812 is a wasteful number, since it uses less digits than its factorization.

5155186812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658 (or 4656 counting only the distinct ones).

The product of its digits is 96000, while the sum is 42.

The square root of 5155186812 is about 71799.6296090725. The cubic root of 5155186812 is about 1727.4870586691.

The spelling of 5155186812 in words is "five billion, one hundred fifty-five million, one hundred eighty-six thousand, eight hundred twelve".