155156422241 has 2 divisors, whose sum is σ = 155156422242. Its totient is φ = 155156422240.

The previous prime is 155156422237. The next prime is 155156422259. The reversal of 155156422241 is 142224651551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96836104225 + 58320318016 = 311185^2 + 241496^2 .

It is a cyclic number.

It is not a de Polignac number, because 155156422241 - 2² = 155156422237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155156422195 and 155156422204.

It is not a weakly prime, because it can be changed into another prime (155156422261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77578211120 + 77578211121.

It is an arithmetic number, because the mean of its divisors is an integer number (77578211121).

Almost surely, 2^155156422241 is an apocalyptic number.

It is an amenable number.

155156422241 is a deficient number, since it is larger than the sum of its proper divisors (1).

155156422241 is an equidigital number, since it uses as much as digits as its factorization.

155156422241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96000, while the sum is 38.

The spelling of 155156422241 in words is "one hundred fifty-five billion, one hundred fifty-six million, four hundred twenty-two thousand, two hundred forty-one".