13154631603361 has 4 divisors (see below), whose sum is σ = 13284875480724. Its totient is φ = 13024387726000.

The previous prime is 13154631603353. The next prime is 13154631603433. The reversal of 13154631603361 is 16330613645131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7455521030400 + 5699110572961 = 2730480^2 + 2387281^2 .

It is a cyclic number.

It is not a de Polignac number, because 13154631603361 - 2³ = 13154631603353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13154631603341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65121938530 + ... + 65121938731.

It is an arithmetic number, because the mean of its divisors is an integer number (3321218870181).

Almost surely, 2^{13154631603361} is an apocalyptic number.

It is an amenable number.

13154631603361 is a deficient number, since it is larger than the sum of its proper divisors (130243877363).

13154631603361 is a wasteful number, since it uses less digits than its factorization.

13154631603361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130243877362.

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 13154631603361 in words is "thirteen trillion, one hundred fifty-four billion, six hundred thirty-one million, six hundred three thousand, three hundred sixty-one".