13142225125520 has 40 divisors (see below), whose sum is σ = 30558952601856. Its totient is φ = 5256325889408.

The previous prime is 13142225125441. The next prime is 13142225125567. The reversal of 13142225125520 is 2552152224131.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8064512 + ... + 9556191.

Almost surely, 2^{13142225125520} is an apocalyptic number.

13142225125520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13142225125520 is an abundant number, since it is smaller than the sum of its proper divisors (17416727476336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13142225125520 is a wasteful number, since it uses less digits than its factorization.

13142225125520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17630039 (or 17630033 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 13142225125520 its reverse (2552152224131), we get a palindrome (15694377349651).

The spelling of 13142225125520 in words is "thirteen trillion, one hundred forty-two billion, two hundred twenty-five million, one hundred twenty-five thousand, five hundred twenty".