502251553104242 has 4 divisors (see below), whose sum is σ = 753377329656366. Its totient is φ = 251125776552120.

The previous prime is 502251553104233. The next prime is 502251553104281. The reversal of 502251553104242 is 242401355152205.

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., 343899555831841 + 158351997272401 = 18544529^2 + 12583799^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 502251553104242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125562888276059 + ... + 125562888276062.

Almost surely, 2^{502251553104242} is an apocalyptic number.

502251553104242 is a deficient number, since it is larger than the sum of its proper divisors (251125776552124).

502251553104242 is a wasteful number, since it uses less digits than its factorization.

502251553104242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251125776552123.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 502251553104242 in words is "five hundred two trillion, two hundred fifty-one billion, five hundred fifty-three million, one hundred four thousand, two hundred forty-two".