531056842033730 has 128 divisors (see below), whose sum is σ = 1066068416309760. Its totient is φ = 189436820869120.

The previous prime is 531056842033727. The next prime is 531056842033771. The reversal of 531056842033730 is 37330248650135.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13045174616 + ... + 13045215324.

It is an arithmetic number, because the mean of its divisors is an integer number (8328659502420).

Almost surely, 2^{531056842033730} is an apocalyptic number.

531056842033730 is an abundant number, since it is smaller than the sum of its proper divisors (535011574276030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531056842033730 is a wasteful number, since it uses less digits than its factorization.

531056842033730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72044.

The product of its (nonzero) digits is 5443200, while the sum is 50.

The spelling of 531056842033730 in words is "five hundred thirty-one trillion, fifty-six billion, eight hundred forty-two million, thirty-three thousand, seven hundred thirty".