103601215511 has 4 divisors (see below), whose sum is σ = 103602862224. Its totient is φ = 103599568800.

The previous prime is 103601215453. The next prime is 103601215517. The reversal of 103601215511 is 115512106301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115512106301 = 1217 ⋅94915453.

It is a cyclic number.

It is not a de Polignac number, because 103601215511 - 2³⁰ = 102527473687 is a prime.

It is a super-3 number, since 3×103601215511³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103601215517) 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, 725075 + ... + 856116.

It is an arithmetic number, because the mean of its divisors is an integer number (25900715556).

Almost surely, 2^103601215511 is an apocalyptic number.

103601215511 is a deficient number, since it is larger than the sum of its proper divisors (1646713).

103601215511 is an equidigital number, since it uses as much as digits as its factorization.

103601215511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646712.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 103601215511 in words is "one hundred three billion, six hundred one million, two hundred fifteen thousand, five hundred eleven".