531056826424545 has 16 divisors (see below), whose sum is σ = 849775815208320. Its totient is φ = 283202009783424.

The previous prime is 531056826424513. The next prime is 531056826424559. The reversal of 531056826424545 is 545424628650135.

It is a happy number.

It is not a de Polignac number, because 531056826424545 - 2⁵ = 531056826424513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1768447549 + ... + 1768747818.

It is an arithmetic number, because the mean of its divisors is an integer number (53110988450520).

Almost surely, 2^{531056826424545} is an apocalyptic number.

It is an amenable number.

531056826424545 is a deficient number, since it is larger than the sum of its proper divisors (318718988783775).

531056826424545 is a wasteful number, since it uses less digits than its factorization.

531056826424545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537205384.

The product of its (nonzero) digits is 138240000, while the sum is 60.

The spelling of 531056826424545 in words is "five hundred thirty-one trillion, fifty-six billion, eight hundred twenty-six million, four hundred twenty-four thousand, five hundred forty-five".