523561540355552 has 96 divisors (see below), whose sum is σ = 1034166889324800. Its totient is φ = 260917754646528.

The previous prime is 523561540355549. The next prime is 523561540355621. The reversal of 523561540355552 is 255553045165325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37723282949 + ... + 37723296827.

It is an arithmetic number, because the mean of its divisors is an integer number (10772571763800).

Almost surely, 2^{523561540355552} is an apocalyptic number.

It is an amenable number.

523561540355552 is a deficient number, since it is larger than the sum of its proper divisors (510605348969248).

523561540355552 is a wasteful number, since it uses less digits than its factorization.

523561540355552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17608 (or 17600 counting only the distinct ones).

The product of its (nonzero) digits is 67500000, while the sum is 56.

The spelling of 523561540355552 in words is "five hundred twenty-three trillion, five hundred sixty-one billion, five hundred forty million, three hundred fifty-five thousand, five hundred fifty-two".