5211178705 has 8 divisors (see below), whose sum is σ = 6279580800. Its totient is φ = 4151498736.

The previous prime is 5211178703. The next prime is 5211178741. The reversal of 5211178705 is 5078711125.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5211178705 - 2¹ = 5211178703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5211178703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2179215 + ... + 2181604.

It is an arithmetic number, because the mean of its divisors is an integer number (784947600).

Almost surely, 2^5211178705 is an apocalyptic number.

It is an amenable number.

5211178705 is a deficient number, since it is larger than the sum of its proper divisors (1068402095).

5211178705 is a wasteful number, since it uses less digits than its factorization.

5211178705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361063.

The product of its (nonzero) digits is 19600, while the sum is 37.

The square root of 5211178705 is about 72188.4942702090. The cubic root of 5211178705 is about 1733.7187876952.

It can be divided in two parts, 52111 and 78705, that added together give a triangular number (130816 = T₅₁₁).

The spelling of 5211178705 in words is "five billion, two hundred eleven million, one hundred seventy-eight thousand, seven hundred five".