5211172115 has 4 divisors (see below), whose sum is σ = 6253406544. Its totient is φ = 4168937688.

The previous prime is 5211172097. The next prime is 5211172117. The reversal of 5211172115 is 5112711125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5211172115 - 2⁶ = 5211172051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5211172117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521117207 + ... + 521117216.

It is an arithmetic number, because the mean of its divisors is an integer number (1563351636).

Almost surely, 2^5211172115 is an apocalyptic number.

5211172115 is a deficient number, since it is larger than the sum of its proper divisors (1042234429).

5211172115 is a wasteful number, since it uses less digits than its factorization.

5211172115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042234428.

The product of its digits is 700, while the sum is 26.

The square root of 5211172115 is about 72188.4486258016. The cubic root of 5211172115 is about 1733.7180568810.

The spelling of 5211172115 in words is "five billion, two hundred eleven million, one hundred seventy-two thousand, one hundred fifteen".