103601216515 has 4 divisors (see below), whose sum is σ = 124321459824. Its totient is φ = 82880973208.

The previous prime is 103601216501. The next prime is 103601216549. The reversal of 103601216515 is 515612106301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103601216515 - 2⁹ = 103601216003 is a prime.

It is a super-3 number, since 3×103601216515³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10360121647 + ... + 10360121656.

It is an arithmetic number, because the mean of its divisors is an integer number (31080364956).

Almost surely, 2^103601216515 is an apocalyptic number.

103601216515 is a deficient number, since it is larger than the sum of its proper divisors (20720243309).

103601216515 is an equidigital number, since it uses as much as digits as its factorization.

103601216515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20720243308.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 103601216515 in words is "one hundred three billion, six hundred one million, two hundred sixteen thousand, five hundred fifteen".