523557885885 has 32 divisors (see below), whose sum is σ = 841028348160. Its totient is φ = 278119346688.

The previous prime is 523557885839. The next prime is 523557885919. The reversal of 523557885885 is 588588755325.

It is not a de Polignac number, because 523557885885 - 2¹¹ = 523557883837 is a prime.

It is a super-2 number, since 2×523557885885² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35375307 + ... + 35390103.

It is an arithmetic number, because the mean of its divisors is an integer number (26282135880).

Almost surely, 2^523557885885 is an apocalyptic number.

It is an amenable number.

523557885885 is a deficient number, since it is larger than the sum of its proper divisors (317470462275).

523557885885 is a wasteful number, since it uses less digits than its factorization.

523557885885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24037.

The product of its digits is 537600000, while the sum is 69.

The spelling of 523557885885 in words is "five hundred twenty-three billion, five hundred fifty-seven million, eight hundred eighty-five thousand, eight hundred eighty-five".