155241855833 has 2 divisors, whose sum is σ = 155241855834. Its totient is φ = 155241855832.

The previous prime is 155241855827. The next prime is 155241855859. The reversal of 155241855833 is 338558142551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137572002649 + 17669853184 = 370907^2 + 132928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155241855833 is a prime.

It is a super-2 number, since 2×155241855833² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (155241855863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77620927916 + 77620927917.

It is an arithmetic number, because the mean of its divisors is an integer number (77620927917).

Almost surely, 2^155241855833 is an apocalyptic number.

It is an amenable number.

155241855833 is a deficient number, since it is larger than the sum of its proper divisors (1).

155241855833 is an equidigital number, since it uses as much as digits as its factorization.

155241855833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880000, while the sum is 50.

The spelling of 155241855833 in words is "one hundred fifty-five billion, two hundred forty-one million, eight hundred fifty-five thousand, eight hundred thirty-three".