13122522253551 has 8 divisors (see below), whose sum is σ = 17660216865024. Its totient is φ = 8666587905560.

The previous prime is 13122522253549. The next prime is 13122522253571. The reversal of 13122522253551 is 15535222522131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13122522253551 - 2¹ = 13122522253549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122522253571) 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, 20440065495 + ... + 20440066136.

It is an arithmetic number, because the mean of its divisors is an integer number (2207527108128).

Almost surely, 2^{13122522253551} is an apocalyptic number.

13122522253551 is a deficient number, since it is larger than the sum of its proper divisors (4537694611473).

13122522253551 is a wasteful number, since it uses less digits than its factorization.

13122522253551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40880131741.

The product of its digits is 180000, while the sum is 39.

Adding to 13122522253551 its reverse (15535222522131), we get a palindrome (28657744775682).

The spelling of 13122522253551 in words is "thirteen trillion, one hundred twenty-two billion, five hundred twenty-two million, two hundred fifty-three thousand, five hundred fifty-one".