11502124124 has 12 divisors (see below), whose sum is σ = 20324142384. Its totient is φ = 5695226304.

The previous prime is 11502124121. The next prime is 11502124157. The reversal of 11502124124 is 42142120511.

It is a self number, because there is not a number n which added to its sum of digits gives 11502124124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11502124121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13958477 + ... + 13959300.

It is an arithmetic number, because the mean of its divisors is an integer number (1693678532).

Almost surely, 2^11502124124 is an apocalyptic number.

It is an amenable number.

11502124124 is a deficient number, since it is larger than the sum of its proper divisors (8822018260).

11502124124 is a wasteful number, since it uses less digits than its factorization.

11502124124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27917884 (or 27917882 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 11502124124 its reverse (42142120511), we get a palindrome (53644244635).

The spelling of 11502124124 in words is "eleven billion, five hundred two million, one hundred twenty-four thousand, one hundred twenty-four".