531365625011 has 8 divisors (see below), whose sum is σ = 572286222144. Its totient is φ = 490451644800.

The previous prime is 531365624983. The next prime is 531365625061. The reversal of 531365625011 is 110526563135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-531365625011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531365625061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486811 + ... + 1809236.

It is an arithmetic number, because the mean of its divisors is an integer number (71535777768).

Almost surely, 2^531365625011 is an apocalyptic number.

531365625011 is a deficient number, since it is larger than the sum of its proper divisors (40920597133).

531365625011 is a wasteful number, since it uses less digits than its factorization.

531365625011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308461.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 531365625011 in words is "five hundred thirty-one billion, three hundred sixty-five million, six hundred twenty-five thousand, eleven".