155404343155 has 8 divisors (see below), whose sum is σ = 186494371200. Its totient is φ = 124317368256.

The previous prime is 155404343147. The next prime is 155404343161. The reversal of 155404343155 is 551343404551.

155404343155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 155404343155 - 2³ = 155404343147 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 649770 + ... + 856159.

It is an arithmetic number, because the mean of its divisors is an integer number (23311796400).

Almost surely, 2^155404343155 is an apocalyptic number.

155404343155 is a deficient number, since it is larger than the sum of its proper divisors (31090028045).

155404343155 is a wasteful number, since it uses less digits than its factorization.

155404343155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526573.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 155404343155 in words is "one hundred fifty-five billion, four hundred four million, three hundred forty-three thousand, one hundred fifty-five".