155033942856 has 64 divisors (see below), whose sum is σ = 417618875520. Its totient is φ = 47677632000.

The previous prime is 155033942827. The next prime is 155033942879. The reversal of 155033942856 is 658249330551.

It is a junction number, because it is equal to n+sod(n) for n = 155033942799 and 155033942808.

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 15 ways as a sum of consecutive naturals, for example, 466981 + ... + 726731.

It is an arithmetic number, because the mean of its divisors is an integer number (6525294930).

Almost surely, 2^155033942856 is an apocalyptic number.

It is an amenable number.

155033942856 is an abundant number, since it is smaller than the sum of its proper divisors (262584932664).

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

155033942856 is a wasteful number, since it uses less digits than its factorization.

155033942856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261686 (or 261682 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 155033942856 in words is "one hundred fifty-five billion, thirty-three million, nine hundred forty-two thousand, eight hundred fifty-six".