155622331356 has 12 divisors (see below), whose sum is σ = 363118773192. Its totient is φ = 51874110448.

The previous prime is 155622331259. The next prime is 155622331357. The reversal of 155622331356 is 653133226551.

155622331356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155622331357) 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 3 ways as a sum of consecutive naturals, for example, 6484263795 + ... + 6484263818.

It is an arithmetic number, because the mean of its divisors is an integer number (30259897766).

Almost surely, 2^155622331356 is an apocalyptic number.

It is an amenable number.

155622331356 is an abundant number, since it is smaller than the sum of its proper divisors (207496441836).

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

155622331356 is a wasteful number, since it uses less digits than its factorization.

155622331356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12968527620 (or 12968527618 counting only the distinct ones).

The product of its digits is 486000, while the sum is 42.

The spelling of 155622331356 in words is "one hundred fifty-five billion, six hundred twenty-two million, three hundred thirty-one thousand, three hundred fifty-six".