5120111305 has 16 divisors (see below), whose sum is σ = 6417532800. Its totient is φ = 3914171008.

The previous prime is 5120111291. The next prime is 5120111383. The reversal of 5120111305 is 5031110215.

It is a cyclic number.

It is not a de Polignac number, because 5120111305 - 2⁷ = 5120111177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99414 + ... + 141856.

It is an arithmetic number, because the mean of its divisors is an integer number (401095800).

Almost surely, 2^5120111305 is an apocalyptic number.

It is an amenable number.

5120111305 is a deficient number, since it is larger than the sum of its proper divisors (1297421495).

5120111305 is a wasteful number, since it uses less digits than its factorization.

5120111305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43520.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 5120111305 is about 71554.9530430983. The cubic root of 5120111305 is about 1723.5602414846.

The spelling of 5120111305 in words is "five billion, one hundred twenty million, one hundred eleven thousand, three hundred five".