5115501601 has 4 divisors (see below), whose sum is σ = 5846287552. Its totient is φ = 4384715652.

The previous prime is 5115501577. The next prime is 5115501607. The reversal of 5115501601 is 1061055115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5115501601 - 2⁷ = 5115501473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5115501607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365392965 + ... + 365392978.

It is an arithmetic number, because the mean of its divisors is an integer number (1461571888).

Almost surely, 2^5115501601 is an apocalyptic number.

It is an amenable number.

5115501601 is a deficient number, since it is larger than the sum of its proper divisors (730785951).

5115501601 is an equidigital number, since it uses as much as digits as its factorization.

5115501601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730785950.

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 5115501601 is about 71522.7348540309. The cubic root of 5115501601 is about 1723.0428381432.

Adding to 5115501601 its reverse (1061055115), we get a palindrome (6176556716).

The spelling of 5115501601 in words is "five billion, one hundred fifteen million, five hundred one thousand, six hundred one".