531135442199 has 16 divisors (see below), whose sum is σ = 555190682112. Its totient is φ = 507161215968.

The previous prime is 531135442193. The next prime is 531135442213. The reversal of 531135442199 is 991244531135.

It is a cyclic number.

It is not a de Polignac number, because 531135442199 - 2²⁴ = 531118664983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531135442193) 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, 32975582 + ... + 32991684.

It is an arithmetic number, because the mean of its divisors is an integer number (34699417632).

Almost surely, 2^531135442199 is an apocalyptic number.

531135442199 is a deficient number, since it is larger than the sum of its proper divisors (24055239913).

531135442199 is a wasteful number, since it uses less digits than its factorization.

531135442199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18526.

The product of its digits is 583200, while the sum is 47.

The spelling of 531135442199 in words is "five hundred thirty-one billion, one hundred thirty-five million, four hundred forty-two thousand, one hundred ninety-nine".