154141321505563 has 24 divisors (see below), whose sum is σ = 181279758623712. Its totient is φ = 128366308185984.

The previous prime is 154141321505513. The next prime is 154141321505621. The reversal of 154141321505563 is 365505123141451.

It is a de Polignac number, because none of the positive numbers 2^k-154141321505563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154141321505513) 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 23 ways as a sum of consecutive naturals, for example, 31304520 + ... + 35892277.

It is an arithmetic number, because the mean of its divisors is an integer number (7553323275988).

Almost surely, 2^{154141321505563} is an apocalyptic number.

154141321505563 is a deficient number, since it is larger than the sum of its proper divisors (27138437118149).

154141321505563 is an frugal number, since it uses more digits than its factorization.

154141321505563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67197011 (or 67196944 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 154141321505563 in words is "one hundred fifty-four trillion, one hundred forty-one billion, three hundred twenty-one million, five hundred five thousand, five hundred sixty-three".