531533000145124 has 24 divisors (see below), whose sum is σ = 945433732227768. Its totient is φ = 261409095863040.

The previous prime is 531533000145097. The next prime is 531533000145131. The reversal of 531533000145124 is 421541000335135.

It can be written as a sum of positive squares in 4 ways, for example, as 23319550057024 + 508213450088100 = 4829032^2 + 22543590^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121587714 + ... + 125883430.

It is an arithmetic number, because the mean of its divisors is an integer number (39393072176157).

Almost surely, 2^{531533000145124} is an apocalyptic number.

It is an amenable number.

531533000145124 is a deficient number, since it is larger than the sum of its proper divisors (413900732082644).

531533000145124 is a wasteful number, since it uses less digits than its factorization.

531533000145124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4802895 (or 4802893 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 531533000145124 in words is "five hundred thirty-one trillion, five hundred thirty-three billion, one hundred forty-five thousand, one hundred twenty-four".