154136011115556 has 144 divisors (see below), whose sum is σ = 432055622194560. Its totient is φ = 47877618931200.

The previous prime is 154136011115503. The next prime is 154136011115587. The reversal of 154136011115556 is 655511110631451.

It is a happy number.

154136011115556 is a `hidden beast` number, since 1 + 5 + 4 + 13 + 60 + 1 + 11 + 15 + 556 = 666.

It is a super-2 number, since 2×154136011115556² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44509336 + ... + 47847183.

It is an arithmetic number, because the mean of its divisors is an integer number (3000386265240).

Almost surely, 2^{154136011115556} is an apocalyptic number.

It is an amenable number.

154136011115556 is an abundant number, since it is smaller than the sum of its proper divisors (277919611079004).

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

154136011115556 is a wasteful number, since it uses less digits than its factorization.

154136011115556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92356656 (or 92356642 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 45.

The spelling of 154136011115556 in words is "one hundred fifty-four trillion, one hundred thirty-six billion, eleven million, one hundred fifteen thousand, five hundred fifty-six".