531432001011 has 16 divisors (see below), whose sum is σ = 723660285600. Its totient is φ = 346777616640.

The previous prime is 531432001003. The next prime is 531432001033. The reversal of 531432001011 is 110100234135.

It is not a de Polignac number, because 531432001011 - 2³ = 531432001003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531432001511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3902586 + ... + 4036463.

It is an arithmetic number, because the mean of its divisors is an integer number (45228767850).

Almost surely, 2^531432001011 is an apocalyptic number.

531432001011 is a deficient number, since it is larger than the sum of its proper divisors (192228284589).

531432001011 is a wasteful number, since it uses less digits than its factorization.

531432001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7939526.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 531432001011 its reverse (110100234135), we get a palindrome (641532235146).

The spelling of 531432001011 in words is "five hundred thirty-one billion, four hundred thirty-two million, one thousand, eleven".