13025523421554 has 16 divisors (see below), whose sum is σ = 29772624963648. Its totient is φ = 3721578120432.

The previous prime is 13025523421543. The next prime is 13025523421591. The reversal of 13025523421554 is 45512432552031.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 310131510037 = 13025523421554 / (1 + 3 + 0 + 2 + 5 + 5 + 2 + 3 + 4 + 2 + 1 + 5 + 5 + 4).

It is a Curzon number.

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, 155065754977 + ... + 155065755060.

It is an arithmetic number, because the mean of its divisors is an integer number (1860789060228).

Almost surely, 2^{13025523421554} is an apocalyptic number.

13025523421554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13025523421554 is an abundant number, since it is smaller than the sum of its proper divisors (16747101542094).

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

13025523421554 is a wasteful number, since it uses less digits than its factorization.

13025523421554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310131510049.

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 13025523421554 its reverse (45512432552031), we get a palindrome (58537955973585).

The spelling of 13025523421554 in words is "thirteen trillion, twenty-five billion, five hundred twenty-three million, four hundred twenty-one thousand, five hundred fifty-four".