15115016001 has 4 divisors (see below), whose sum is σ = 20153354672. Its totient is φ = 10076677332.

The previous prime is 15115015943. The next prime is 15115016009. The reversal of 15115016001 is 10061051151.

It is a happy number.

15115016001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10061051151 = 3 ⋅3353683717.

It is not a de Polignac number, because 15115016001 - 2⁷ = 15115015873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15115016009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2519169331 + ... + 2519169336.

It is an arithmetic number, because the mean of its divisors is an integer number (5038338668).

Almost surely, 2^15115016001 is an apocalyptic number.

It is an amenable number.

15115016001 is a deficient number, since it is larger than the sum of its proper divisors (5038338671).

15115016001 is an equidigital number, since it uses as much as digits as its factorization.

15115016001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038338670.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 15115016001 its reverse (10061051151), we get a palindrome (25176067152).

The spelling of 15115016001 in words is "fifteen billion, one hundred fifteen million, sixteen thousand, one".