154551104556 has 24 divisors (see below), whose sum is σ = 364189734384. Its totient is φ = 51006964800.

The previous prime is 154551104467. The next prime is 154551104563. The reversal of 154551104556 is 655401155451.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 63757495 + ... + 63759918.

It is an arithmetic number, because the mean of its divisors is an integer number (15174572266).

Almost surely, 2^154551104556 is an apocalyptic number.

It is an amenable number.

154551104556 is an abundant number, since it is smaller than the sum of its proper divisors (209638629828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154551104556 is a wasteful number, since it uses less digits than its factorization.

154551104556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127517521 (or 127517519 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 42.

The spelling of 154551104556 in words is "one hundred fifty-four billion, five hundred fifty-one million, one hundred four thousand, five hundred fifty-six".