523655565556325 has 12 divisors (see below), whose sum is σ = 649341801326820. Its totient is φ = 418918710485760.

The previous prime is 523655565556313. The next prime is 523655565556393.

523655565556325 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 6 ways, for example, as 8094628151236 + 515560937405089 = 2845106^2 + 22705967^2 .

It is not a de Polignac number, because 523655565556325 - 2⁴ = 523655565556309 is a prime.

It is a super-2 number, since 2×523655565556325² (a number of 30 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 11 ways as a sum of consecutive naturals, for example, 141688070 + ... + 145336919.

It is an arithmetic number, because the mean of its divisors is an integer number (54111816777235).

Almost surely, 2^{523655565556325} is an apocalyptic number.

It is an amenable number.

523655565556325 is a deficient number, since it is larger than the sum of its proper divisors (125686235770495).

523655565556325 is a wasteful number, since it uses less digits than its factorization.

523655565556325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287097976 (or 287097971 counting only the distinct ones).

The product of its digits is 3037500000, while the sum is 68.

The spelling of 523655565556325 in words is "five hundred twenty-three trillion, six hundred fifty-five billion, five hundred sixty-five million, five hundred fifty-six thousand, three hundred twenty-five".