13425001234520 has 16 divisors (see below), whose sum is σ = 30206252777760. Its totient is φ = 5370000493792.

The previous prime is 13425001234493. The next prime is 13425001234523. The reversal of 13425001234520 is 2543210052431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13425001234523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167812515392 + ... + 167812515471.

It is an arithmetic number, because the mean of its divisors is an integer number (1887890798610).

Almost surely, 2^{13425001234520} is an apocalyptic number.

13425001234520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13425001234520 is an abundant number, since it is smaller than the sum of its proper divisors (16781251543240).

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

13425001234520 is a wasteful number, since it uses less digits than its factorization.

13425001234520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335625030874 (or 335625030870 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 13425001234520 its reverse (2543210052431), we get a palindrome (15968211286951).

The spelling of 13425001234520 in words is "thirteen trillion, four hundred twenty-five billion, one million, two hundred thirty-four thousand, five hundred twenty".