154135665560516 has 6 divisors (see below), whose sum is σ = 269737414730910. Its totient is φ = 77067832780256.

The previous prime is 154135665560491. The next prime is 154135665560531. The reversal of 154135665560516 is 615065566531451.

It can be written as a sum of positive squares in only one way, i.e., 133026143420416 + 21109522140100 = 11533696^2 + 4594510^2 .

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 as a sum of consecutive naturals, namely, 19266958195061 + ... + 19266958195068.

It is an arithmetic number, because the mean of its divisors is an integer number (44956235788485).

Almost surely, 2^{154135665560516} is an apocalyptic number.

It is an amenable number.

154135665560516 is a deficient number, since it is larger than the sum of its proper divisors (115601749170394).

154135665560516 is a wasteful number, since it uses less digits than its factorization.

154135665560516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38533916390133 (or 38533916390131 counting only the distinct ones).

The product of its (nonzero) digits is 48600000, while the sum is 59.

The spelling of 154135665560516 in words is "one hundred fifty-four trillion, one hundred thirty-five billion, six hundred sixty-five million, five hundred sixty thousand, five hundred sixteen".