11520532120103 has 8 divisors (see below), whose sum is σ = 11547197692800. Its totient is φ = 11493893718648.

The previous prime is 11520532120049. The next prime is 11520532120169. The reversal of 11520532120103 is 30102123502511.

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

It is a cyclic number.

It is not a de Polignac number, because 11520532120103 - 2³⁰ = 11519458378279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520532125103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5943713 + ... + 7639946.

It is an arithmetic number, because the mean of its divisors is an integer number (1443399711600).

Almost surely, 2^{11520532120103} is an apocalyptic number.

11520532120103 is a deficient number, since it is larger than the sum of its proper divisors (26665572697).

11520532120103 is a wasteful number, since it uses less digits than its factorization.

11520532120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13585621.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 11520532120103 its reverse (30102123502511), we get a palindrome (41622655622614).

The spelling of 11520532120103 in words is "eleven trillion, five hundred twenty billion, five hundred thirty-two million, one hundred twenty thousand, one hundred three".