505201304542 has 16 divisors (see below), whose sum is σ = 826821425664. Its totient is φ = 229601295000.

The previous prime is 505201304537. The next prime is 505201304561. The reversal of 505201304542 is 245403102505.

It is a super-2 number, since 2×505201304542² (a number of 24 digits) contains 22 as substring.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1637934 + ... + 1921777.

It is an arithmetic number, because the mean of its divisors is an integer number (51676339104).

Almost surely, 2^505201304542 is an apocalyptic number.

505201304542 is a deficient number, since it is larger than the sum of its proper divisors (321620121122).

505201304542 is a wasteful number, since it uses less digits than its factorization.

505201304542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566175.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 505201304542 in words is "five hundred five billion, two hundred one million, three hundred four thousand, five hundred forty-two".