5120001345 has 64 divisors (see below), whose sum is σ = 8845977600. Its totient is φ = 2520967680.

The previous prime is 5120001331. The next prime is 5120001349. The reversal of 5120001345 is 5431000215.

It is not a de Polignac number, because 5120001345 - 2¹² = 5119997249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5120001349) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1799494 + ... + 1802336.

It is an arithmetic number, because the mean of its divisors is an integer number (138218400).

Almost surely, 2^5120001345 is an apocalyptic number.

It is an amenable number.

5120001345 is a deficient number, since it is larger than the sum of its proper divisors (3725976255).

5120001345 is a wasteful number, since it uses less digits than its factorization.

5120001345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 5120001345 is about 71554.1846784659. The cubic root of 5120001345 is about 1723.5479029481.

The spelling of 5120001345 in words is "five billion, one hundred twenty million, one thousand, three hundred forty-five".