243155050135 has 16 divisors (see below), whose sum is σ = 301342550400. Its totient is φ = 188246054656.

The previous prime is 243155050091. The next prime is 243155050147. The reversal of 243155050135 is 531050551342.

It is a cyclic number.

It is not a de Polignac number, because 243155050135 - 2²⁷ = 243020832407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243155050135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5792020 + ... + 5833849.

It is an arithmetic number, because the mean of its divisors is an integer number (18833909400).

Almost surely, 2^243155050135 is an apocalyptic number.

243155050135 is a deficient number, since it is larger than the sum of its proper divisors (58187500265).

243155050135 is a wasteful number, since it uses less digits than its factorization.

243155050135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11626010.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 243155050135 in words is "two hundred forty-three billion, one hundred fifty-five million, fifty thousand, one hundred thirty-five".