13155401104425 has 144 divisors (see below), whose sum is σ = 24065276152320. Its totient is φ = 6867674542080.

The previous prime is 13155401104423. The next prime is 13155401104499. The reversal of 13155401104425 is 52440110455131.

13155401104425 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 540 + 1 + 104 + 4 + 2 + 5 = 666.

It is not a de Polignac number, because 13155401104425 - 2¹ = 13155401104423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13155401104425.

It is not an unprimeable number, because it can be changed into a prime (13155401104423) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4044081099 + ... + 4044084351.

It is an arithmetic number, because the mean of its divisors is an integer number (167119973280).

Almost surely, 2^{13155401104425} is an apocalyptic number.

13155401104425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13155401104425 is a deficient number, since it is larger than the sum of its proper divisors (10909875047895).

13155401104425 is a wasteful number, since it uses less digits than its factorization.

13155401104425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 13155401104425 its reverse (52440110455131), we get a palindrome (65595511559556).

The spelling of 13155401104425 in words is "thirteen trillion, one hundred fifty-five billion, four hundred one million, one hundred four thousand, four hundred twenty-five".