155664127005 has 8 divisors (see below), whose sum is σ = 249062603232. Its totient is φ = 83020867728.

The previous prime is 155664126971. The next prime is 155664127027. The reversal of 155664127005 is 500721466551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155664127005 - 2¹⁵ = 155664094237 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5188804219 + ... + 5188804248.

It is an arithmetic number, because the mean of its divisors is an integer number (31132825404).

Almost surely, 2^155664127005 is an apocalyptic number.

155664127005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155664127005 is a deficient number, since it is larger than the sum of its proper divisors (93398476227).

155664127005 is a wasteful number, since it uses less digits than its factorization.

155664127005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10377608475.

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 155664127005 in words is "one hundred fifty-five billion, six hundred sixty-four million, one hundred twenty-seven thousand, five".