531404432255 has 16 divisors (see below), whose sum is σ = 642176553600. Its totient is φ = 422136270240.

The previous prime is 531404432249. The next prime is 531404432297. The reversal of 531404432255 is 552234404135.

It is not a de Polignac number, because 531404432255 - 2⁴ = 531404432239 is a prime.

It is a congruent number.

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, 188816 + ... + 1048074.

It is an arithmetic number, because the mean of its divisors is an integer number (40136034600).

Almost surely, 2^531404432255 is an apocalyptic number.

531404432255 is a deficient number, since it is larger than the sum of its proper divisors (110772121345).

531404432255 is a wasteful number, since it uses less digits than its factorization.

531404432255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860134.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 531404432255 in words is "five hundred thirty-one billion, four hundred four million, four hundred thirty-two thousand, two hundred fifty-five".