243425513155 has 16 divisors (see below), whose sum is σ = 319120764768. Its totient is φ = 176784160000.

The previous prime is 243425513137. The next prime is 243425513171. The reversal of 243425513155 is 551315524342.

243425513155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243425513155 - 2¹¹ = 243425511107 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 3118306 + ... + 3195415.

It is an arithmetic number, because the mean of its divisors is an integer number (19945047798).

Almost surely, 2^243425513155 is an apocalyptic number.

243425513155 is a deficient number, since it is larger than the sum of its proper divisors (75695251613).

243425513155 is a wasteful number, since it uses less digits than its factorization.

243425513155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6314438.

The product of its digits is 360000, while the sum is 40.

The spelling of 243425513155 in words is "two hundred forty-three billion, four hundred twenty-five million, five hundred thirteen thousand, one hundred fifty-five".