155122443265061 has 2 divisors, whose sum is σ = 155122443265062. Its totient is φ = 155122443265060.

The previous prime is 155122443265039. The next prime is 155122443265091. The reversal of 155122443265061 is 160562344221551.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154878771700900 + 243671564161 = 12445030^2 + 493631^2 .

It is a cyclic number.

It is not a de Polignac number, because 155122443265061 - 2¹⁴ = 155122443248677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155122443264997 and 155122443265015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155122443265091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77561221632530 + 77561221632531.

It is an arithmetic number, because the mean of its divisors is an integer number (77561221632531).

Almost surely, 2^{155122443265061} is an apocalyptic number.

It is an amenable number.

155122443265061 is a deficient number, since it is larger than the sum of its proper divisors (1).

155122443265061 is an equidigital number, since it uses as much as digits as its factorization.

155122443265061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 155122443265061 in words is "one hundred fifty-five trillion, one hundred twenty-two billion, four hundred forty-three million, two hundred sixty-five thousand, sixty-one".