15853320001 has 4 divisors (see below), whose sum is σ = 16122020400. Its totient is φ = 15584619604.

The previous prime is 15853319969. The next prime is 15853320013. The reversal of 15853320001 is 10002335851.

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 15853320001 - 2⁵ = 15853319969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15853380001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134350111 + ... + 134350228.

It is an arithmetic number, because the mean of its divisors is an integer number (4030505100).

Almost surely, 2^15853320001 is an apocalyptic number.

It is an amenable number.

15853320001 is a deficient number, since it is larger than the sum of its proper divisors (268700399).

15853320001 is an equidigital number, since it uses as much as digits as its factorization.

15853320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268700398.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 15853320001 its reverse (10002335851), we get a palindrome (25855655852).

It can be divided in two parts, 15 and 853320001, that added together give a triangular number (853320016 = T₄₁₃₁₁).

The spelling of 15853320001 in words is "fifteen billion, eight hundred fifty-three million, three hundred twenty thousand, one".