11502122123 has 16 divisors (see below), whose sum is σ = 12279664800. Its totient is φ = 10736173056.

The previous prime is 11502122113. The next prime is 11502122171. The reversal of 11502122123 is 32122120511.

11502122123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11502122123 - 2³² = 7207154827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11502122095 and 11502122104.

It is not an unprimeable number, because it can be changed into a prime (11502122113) 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 15 ways as a sum of consecutive naturals, for example, 1012328 + ... + 1023626.

It is an arithmetic number, because the mean of its divisors is an integer number (767479050).

Almost surely, 2^11502122123 is an apocalyptic number.

11502122123 is a deficient number, since it is larger than the sum of its proper divisors (777542677).

11502122123 is a wasteful number, since it uses less digits than its factorization.

11502122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11806.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 11502122123 its reverse (32122120511), we get a palindrome (43624242634).

The spelling of 11502122123 in words is "eleven billion, five hundred two million, one hundred twenty-two thousand, one hundred twenty-three".