531354142125 has 96 divisors (see below), whose sum is σ = 1015054316640. Its totient is φ = 266942592000.

The previous prime is 531354142091. The next prime is 531354142129. The reversal of 531354142125 is 521241453135.

531354142125 is a `hidden beast` number, since 53 + 1 + 3 + 541 + 42 + 1 + 25 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 512704689156 + 18649452969 = 716034^2 + 136563^2 .

It is not a de Polignac number, because 531354142125 - 2¹⁴ = 531354125741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 531354142125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531354142129) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1139007 + ... + 1536243.

It is an arithmetic number, because the mean of its divisors is an integer number (10573482465).

Almost surely, 2^531354142125 is an apocalyptic number.

It is an amenable number.

531354142125 is a deficient number, since it is larger than the sum of its proper divisors (483700174515).

531354142125 is a wasteful number, since it uses less digits than its factorization.

531354142125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397328 (or 397315 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The spelling of 531354142125 in words is "five hundred thirty-one billion, three hundred fifty-four million, one hundred forty-two thousand, one hundred twenty-five".