13122340314525 has 72 divisors (see below), whose sum is σ = 25726479998856. Its totient is φ = 6354323596800.

The previous prime is 13122340314521. The next prime is 13122340314529. The reversal of 13122340314525 is 52541304322131.

13122340314525 is a `hidden beast` number, since 1 + 3 + 1 + 223 + 403 + 1 + 4 + 5 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (13122340314521) and next prime (13122340314529).

It can be written as a sum of positive squares in 12 ways, for example, as 6412862363769 + 6709477950756 = 2532363^2 + 2590266^2 .

It is not a de Polignac number, because 13122340314525 - 2² = 13122340314521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13122340314525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122340314521) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 36594282 + ... + 36951131.

Almost surely, 2^{13122340314525} is an apocalyptic number.

13122340314525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13122340314525 is a deficient number, since it is larger than the sum of its proper divisors (12604139684331).

13122340314525 is a wasteful number, since it uses less digits than its factorization.

13122340314525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73545503 (or 73545495 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 13122340314525 its reverse (52541304322131), we get a palindrome (65663644636656).

The spelling of 13122340314525 in words is "thirteen trillion, one hundred twenty-two billion, three hundred forty million, three hundred fourteen thousand, five hundred twenty-five".