155512240423241 has 8 divisors (see below), whose sum is σ = 167479551060360. Its totient is φ = 143545619872512.

The previous prime is 155512240423229. The next prime is 155512240423271. The reversal of 155512240423241 is 142324042215551.

It can be written as a sum of positive squares in 4 ways, for example, as 4711482654025 + 150800757769216 = 2170595^2 + 12280096^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-155512240423241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155512240423271) 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 7 ways as a sum of consecutive naturals, for example, 172053506 + ... + 172955003.

It is an arithmetic number, because the mean of its divisors is an integer number (20934943882545).

Almost surely, 2^{155512240423241} is an apocalyptic number.

It is an amenable number.

155512240423241 is a deficient number, since it is larger than the sum of its proper divisors (11967310637119).

155512240423241 is a wasteful number, since it uses less digits than its factorization.

155512240423241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345043195.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 155512240423241 its reverse (142324042215551), we get a palindrome (297836282638792).

The spelling of 155512240423241 in words is "one hundred fifty-five trillion, five hundred twelve billion, two hundred forty million, four hundred twenty-three thousand, two hundred forty-one".