867181033115242 has 4 divisors (see below), whose sum is σ = 1300771549672866. Its totient is φ = 433590516557620.

The previous prime is 867181033115233. The next prime is 867181033115333. The reversal of 867181033115242 is 242511330181768.

867181033115242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 589102362787761 + 278078670327481 = 24271431^2 + 16675691^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 867181033115242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216795258278809 + ... + 216795258278812.

Almost surely, 2^{867181033115242} is an apocalyptic number.

867181033115242 is a deficient number, since it is larger than the sum of its proper divisors (433590516557624).

867181033115242 is a wasteful number, since it uses less digits than its factorization.

867181033115242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433590516557623.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 867181033115242 in words is "eight hundred sixty-seven trillion, one hundred eighty-one billion, thirty-three million, one hundred fifteen thousand, two hundred forty-two".