13155401104245 has 32 divisors (see below), whose sum is σ = 23387828755200. Its totient is φ = 7016079218112.

The previous prime is 13155401104187. The next prime is 13155401104249. The reversal of 13155401104245 is 54240110455131.

13155401104245 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 5 + 401 + 1 + 0 + 4 + 245 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-13155401104245 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155401104249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6330471 + ... + 8147739.

It is an arithmetic number, because the mean of its divisors is an integer number (730869648600).

Almost surely, 2^{13155401104245} is an apocalyptic number.

13155401104245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13155401104245 is a deficient number, since it is larger than the sum of its proper divisors (10232427650955).

13155401104245 is a wasteful number, since it uses less digits than its factorization.

13155401104245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870906 (or 1870900 counting only the distinct ones).

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

Adding to 13155401104245 its reverse (54240110455131), we get a palindrome (67395511559376).

The spelling of 13155401104245 in words is "thirteen trillion, one hundred fifty-five billion, four hundred one million, one hundred four thousand, two hundred forty-five".