13154631603563 has 4 divisors (see below), whose sum is σ = 13284875480928. Its totient is φ = 13024387726200.

The previous prime is 13154631603517. The next prime is 13154631603583. The reversal of 13154631603563 is 36530613645131.

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

It is a cyclic number.

It is not a de Polignac number, because 13154631603563 - 2¹² = 13154631599467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13154631603583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65121938531 + ... + 65121938732.

It is an arithmetic number, because the mean of its divisors is an integer number (3321218870232).

Almost surely, 2^{13154631603563} is an apocalyptic number.

13154631603563 is a deficient number, since it is larger than the sum of its proper divisors (130243877365).

13154631603563 is a wasteful number, since it uses less digits than its factorization.

13154631603563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130243877364.

The product of its (nonzero) digits is 1749600, while the sum is 47.

The spelling of 13154631603563 in words is "thirteen trillion, one hundred fifty-four billion, six hundred thirty-one million, six hundred three thousand, five hundred sixty-three".