155242325412544 has 56 divisors (see below), whose sum is σ = 313112329868576. Its totient is φ = 76347906048000.

The previous prime is 155242325412487. The next prime is 155242325412571. The reversal of 155242325412544 is 445214523242551.

It is an unprimeable number.

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, 648260509 + ... + 648499939.

It is an arithmetic number, because the mean of its divisors is an integer number (5591291604796).

Almost surely, 2^{155242325412544} is an apocalyptic number.

It is an amenable number.

155242325412544 is an abundant number, since it is smaller than the sum of its proper divisors (157870004456032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155242325412544 is a wasteful number, since it uses less digits than its factorization.

155242325412544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405585 (or 405575 counting only the distinct ones).

The product of its digits is 7680000, while the sum is 49.

The spelling of 155242325412544 in words is "one hundred fifty-five trillion, two hundred forty-two billion, three hundred twenty-five million, four hundred twelve thousand, five hundred forty-four".