12555524338 has 16 divisors (see below), whose sum is σ = 21527481024. Its totient is φ = 5380007760.

The previous prime is 12555524299. The next prime is 12555524339. The reversal of 12555524338 is 83342555521.

It is a super-2 number, since 2×12555524338² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12555524294 and 12555524303.

It is not an unprimeable number, because it can be changed into a prime (12555524339) 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, 9556 + ... + 158752.

It is an arithmetic number, because the mean of its divisors is an integer number (1345467564).

Almost surely, 2^12555524338 is an apocalyptic number.

12555524338 is a deficient number, since it is larger than the sum of its proper divisors (8971956686).

12555524338 is a wasteful number, since it uses less digits than its factorization.

12555524338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155217.

The product of its digits is 720000, while the sum is 43.

The spelling of 12555524338 in words is "twelve billion, five hundred fifty-five million, five hundred twenty-four thousand, three hundred thirty-eight".