155512883055 has 16 divisors (see below), whose sum is σ = 248985321984. Its totient is φ = 82885301280.

The previous prime is 155512883051. The next prime is 155512883059. The reversal of 155512883055 is 550388215551.

155512883055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155512883051) and next prime (155512883059).

It is not a de Polignac number, because 155512883055 - 2² = 155512883051 is a prime.

It is a super-2 number, since 2×155512883055² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155512882995 and 155512883013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155512883051) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3408019 + ... + 3453348.

It is an arithmetic number, because the mean of its divisors is an integer number (15561582624).

Almost surely, 2^155512883055 is an apocalyptic number.

155512883055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155512883055 is a deficient number, since it is larger than the sum of its proper divisors (93472438929).

155512883055 is a wasteful number, since it uses less digits than its factorization.

155512883055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862886.

The product of its (nonzero) digits is 1200000, while the sum is 48.

The spelling of 155512883055 in words is "one hundred fifty-five billion, five hundred twelve million, eight hundred eighty-three thousand, fifty-five".