13425425501544 has 96 divisors (see below), whose sum is σ = 41833780560000. Its totient is φ = 3810091971456.

The previous prime is 13425425501531. The next prime is 13425425501561. The reversal of 13425425501544 is 44510552452431.

13425425501544 is a `hidden beast` number, since 1 + 3 + 4 + 2 + 5 + 42 + 550 + 1 + 54 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13425425501544.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89313324 + ... + 89463515.

It is an arithmetic number, because the mean of its divisors is an integer number (435768547500).

Almost surely, 2^{13425425501544} is an apocalyptic number.

13425425501544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13425425501544 is an abundant number, since it is smaller than the sum of its proper divisors (28408355058456).

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

13425425501544 is a wasteful number, since it uses less digits than its factorization.

13425425501544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178777007 (or 178777000 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 45.

Adding to 13425425501544 its reverse (44510552452431), we get a palindrome (57935977953975).

The spelling of 13425425501544 in words is "thirteen trillion, four hundred twenty-five billion, four hundred twenty-five million, five hundred one thousand, five hundred forty-four".