523985874911 has 8 divisors (see below), whose sum is σ = 538255281840. Its totient is φ = 509722132608.

The previous prime is 523985874883. The next prime is 523985874943. The reversal of 523985874911 is 119478589325.

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 523985874911 - 2¹⁸ = 523985612767 is a prime.

It is a super-2 number, since 2×523985874911² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523985874961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228301 + ... + 1598966.

It is an arithmetic number, because the mean of its divisors is an integer number (67281910230).

Almost surely, 2^523985874911 is an apocalyptic number.

523985874911 is a deficient number, since it is larger than the sum of its proper divisors (14269406929).

523985874911 is a wasteful number, since it uses less digits than its factorization.

523985874911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832313.

The product of its digits is 21772800, while the sum is 62.

The spelling of 523985874911 in words is "five hundred twenty-three billion, nine hundred eighty-five million, eight hundred seventy-four thousand, nine hundred eleven".