154135965555 has 432 divisors, whose sum is σ = 343024194240. Its totient is φ = 65958520320.

The previous prime is 154135965553. The next prime is 154135965637. The reversal of 154135965555 is 555569531451.

154135965555 is a `hidden beast` number, since 1 + 5 + 41 + 3 + 596 + 5 + 5 + 5 + 5 = 666.

It is not a de Polignac number, because 154135965555 - 2¹ = 154135965553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154135965553) by changing a digit.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 1496465634 + ... + 1496465736.

Almost surely, 2^154135965555 is an apocalyptic number.

154135965555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

154135965555 is an abundant number, since it is smaller than the sum of its proper divisors (188888228685).

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

154135965555 is a wasteful number, since it uses less digits than its factorization.

154135965555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 164 counting only the distinct ones).

The product of its digits is 10125000, while the sum is 54.

The spelling of 154135965555 in words is "one hundred fifty-four billion, one hundred thirty-five million, nine hundred sixty-five thousand, five hundred fifty-five".