15523424012 has 12 divisors (see below), whose sum is σ = 27538129416. Its totient is φ = 7655387040.

The previous prime is 15523423991. The next prime is 15523424027. The reversal of 15523424012 is 21042432551.

It is a super-2 number, since 2×15523424012² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26580914 + ... + 26581497.

It is an arithmetic number, because the mean of its divisors is an integer number (2294844118).

Almost surely, 2^15523424012 is an apocalyptic number.

It is an amenable number.

15523424012 is a deficient number, since it is larger than the sum of its proper divisors (12014705404).

15523424012 is a wasteful number, since it uses less digits than its factorization.

15523424012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53162488 (or 53162486 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 15523424012 its reverse (21042432551), we get a palindrome (36565856563).

The spelling of 15523424012 in words is "fifteen billion, five hundred twenty-three million, four hundred twenty-four thousand, twelve".