155322506061 has 6 divisors (see below), whose sum is σ = 224354730990. Its totient is φ = 103548337368.

The previous prime is 155322506057. The next prime is 155322506063. The reversal of 155322506061 is 160605223551.

155322506061 is a `hidden beast` number, since 1 + 5 + 532 + 2 + 5 + 0 + 60 + 61 = 666.

155322506061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 131823455625 + 23499050436 = 363075^2 + 153294^2 .

It is not a de Polignac number, because 155322506061 - 2² = 155322506057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155322506063) 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 5 ways as a sum of consecutive naturals, for example, 8629028106 + ... + 8629028123.

It is an arithmetic number, because the mean of its divisors is an integer number (37392455165).

Almost surely, 2^155322506061 is an apocalyptic number.

It is an amenable number.

155322506061 is a deficient number, since it is larger than the sum of its proper divisors (69032224929).

155322506061 is a wasteful number, since it uses less digits than its factorization.

155322506061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17258056235 (or 17258056232 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 155322506061 in words is "one hundred fifty-five billion, three hundred twenty-two million, five hundred six thousand, sixty-one".