531661241119 has 2 divisors, whose sum is σ = 531661241120. Its totient is φ = 531661241118.

The previous prime is 531661241029. The next prime is 531661241123. The reversal of 531661241119 is 911142166135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531661241119 - 2³¹ = 529513757471 is a prime.

It is a super-2 number, since 2×531661241119² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531661241149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265830620559 + 265830620560.

It is an arithmetic number, because the mean of its divisors is an integer number (265830620560).

Almost surely, 2^531661241119 is an apocalyptic number.

531661241119 is a deficient number, since it is larger than the sum of its proper divisors (1).

531661241119 is an equidigital number, since it uses as much as digits as its factorization.

531661241119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 40.

The spelling of 531661241119 in words is "five hundred thirty-one billion, six hundred sixty-one million, two hundred forty-one thousand, one hundred nineteen".