5211111508 has 12 divisors (see below), whose sum is σ = 9229318560. Its totient is φ = 2574163352.

The previous prime is 5211111491. The next prime is 5211111517. The reversal of 5211111508 is 8051111125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7847728 + ... + 7848391.

It is an arithmetic number, because the mean of its divisors is an integer number (769109880).

Almost surely, 2^5211111508 is an apocalyptic number.

It is an amenable number.

5211111508 is a deficient number, since it is larger than the sum of its proper divisors (4018207052).

5211111508 is a wasteful number, since it uses less digits than its factorization.

5211111508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15696206 (or 15696204 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 25.

The square root of 5211111508 is about 72188.0288413529. The cubic root of 5211111508 is about 1733.7113356894.

The spelling of 5211111508 in words is "five billion, two hundred eleven million, one hundred eleven thousand, five hundred eight".