155241224071 has 2 divisors, whose sum is σ = 155241224072. Its totient is φ = 155241224070.

The previous prime is 155241224069. The next prime is 155241224141. The reversal of 155241224071 is 170422142551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155241224071 - 2¹ = 155241224069 is a prime.

Together with 155241224069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155241225071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77620612035 + 77620612036.

It is an arithmetic number, because the mean of its divisors is an integer number (77620612036).

Almost surely, 2^155241224071 is an apocalyptic number.

155241224071 is a deficient number, since it is larger than the sum of its proper divisors (1).

155241224071 is an equidigital number, since it uses as much as digits as its factorization.

155241224071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 34.

The spelling of 155241224071 in words is "one hundred fifty-five billion, two hundred forty-one million, two hundred twenty-four thousand, seventy-one".