11655040103 has 8 divisors (see below), whose sum is σ = 13378726272. Its totient is φ = 9946024056.

The previous prime is 11655040093. The next prime is 11655040139. The reversal of 11655040103 is 30104055611.

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 11655040103 - 2⁶ = 11655040039 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 (11655040153) 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 7 ways as a sum of consecutive naturals, for example, 3665825 + ... + 3669002.

It is an arithmetic number, because the mean of its divisors is an integer number (1672340784).

Almost surely, 2^11655040103 is an apocalyptic number.

11655040103 is a deficient number, since it is larger than the sum of its proper divisors (1723686169).

11655040103 is an equidigital number, since it uses as much as digits as its factorization.

11655040103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7335061.

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

Adding to 11655040103 its reverse (30104055611), we get a palindrome (41759095714).

The spelling of 11655040103 in words is "eleven billion, six hundred fifty-five million, forty thousand, one hundred three".