505121315340502 has 8 divisors (see below), whose sum is σ = 865922254869456. Its totient is φ = 216480563717352.

The previous prime is 505121315340469. The next prime is 505121315340503. The reversal of 505121315340502 is 205043513121505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×505121315340502² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505121315340503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18040046976433 + ... + 18040046976460.

It is an arithmetic number, because the mean of its divisors is an integer number (108240281858682).

Almost surely, 2^{505121315340502} is an apocalyptic number.

505121315340502 is a deficient number, since it is larger than the sum of its proper divisors (360800939528954).

505121315340502 is a wasteful number, since it uses less digits than its factorization.

505121315340502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36080093952902.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 505121315340502 in words is "five hundred five trillion, one hundred twenty-one billion, three hundred fifteen million, three hundred forty thousand, five hundred two".