5187812505 has 16 divisors (see below), whose sum is σ = 8330472384. Its totient is φ = 2756842560.

The previous prime is 5187812489. The next prime is 5187812561. The reversal of 5187812505 is 5052187815.

It is not a de Polignac number, because 5187812505 - 2⁴ = 5187812489 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620131 + ... + 628440.

It is an arithmetic number, because the mean of its divisors is an integer number (520654524).

Almost surely, 2^5187812505 is an apocalyptic number.

It is an amenable number.

5187812505 is a deficient number, since it is larger than the sum of its proper divisors (3142659879).

5187812505 is a wasteful number, since it uses less digits than its factorization.

5187812505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248856.

The product of its (nonzero) digits is 112000, while the sum is 42.

The square root of 5187812505 is about 72026.4708631486. The cubic root of 5187812505 is about 1731.1236538361.

The spelling of 5187812505 in words is "five billion, one hundred eighty-seven million, eight hundred twelve thousand, five hundred five".