531252215105 has 8 divisors (see below), whose sum is σ = 638161922112. Its totient is φ = 424562262768.

The previous prime is 531252215089. The next prime is 531252215171. The reversal of 531252215105 is 501512252135.

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

It is a cyclic number.

It is not a de Polignac number, because 531252215105 - 2⁴ = 531252215089 is a prime.

It is a super-2 number, since 2×531252215105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54933347 + ... + 54943016.

It is an arithmetic number, because the mean of its divisors is an integer number (79770240264).

Almost surely, 2^531252215105 is an apocalyptic number.

It is an amenable number.

531252215105 is a deficient number, since it is larger than the sum of its proper divisors (106909707007).

531252215105 is a wasteful number, since it uses less digits than its factorization.

531252215105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109877335.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 531252215105 in words is "five hundred thirty-one billion, two hundred fifty-two million, two hundred fifteen thousand, one hundred five".