103421644015 has 8 divisors (see below), whose sum is σ = 128109391488. Its totient is φ = 80068369440.

The previous prime is 103421644013. The next prime is 103421644033. The reversal of 103421644015 is 510446124301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103421644015 - 2¹ = 103421644013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103421644013) 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 7 ways as a sum of consecutive naturals, for example, 333618052 + ... + 333618361.

It is an arithmetic number, because the mean of its divisors is an integer number (16013673936).

Almost surely, 2^103421644015 is an apocalyptic number.

103421644015 is a deficient number, since it is larger than the sum of its proper divisors (24687747473).

103421644015 is an equidigital number, since it uses as much as digits as its factorization.

103421644015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667236449.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 103421644015 its reverse (510446124301), we get a palindrome (613867768316).

The spelling of 103421644015 in words is "one hundred three billion, four hundred twenty-one million, six hundred forty-four thousand, fifteen".