501331142425 has 12 divisors (see below), whose sum is σ = 622467526716. Its totient is φ = 400537875200.

The previous prime is 501331142423. The next prime is 501331142443. The reversal of 501331142425 is 524241133105.

It can be written as a sum of positive squares in 6 ways, for example, as 77045660041 + 424285482384 = 277571^2 + 651372^2 .

It is not a de Polignac number, because 501331142425 - 2¹ = 501331142423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501331142423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13156564 + ... + 13194613.

It is an arithmetic number, because the mean of its divisors is an integer number (51872293893).

Almost surely, 2^501331142425 is an apocalyptic number.

It is an amenable number.

501331142425 is a deficient number, since it is larger than the sum of its proper divisors (121136384291).

501331142425 is a wasteful number, since it uses less digits than its factorization.

501331142425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26351948 (or 26351943 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 501331142425 in words is "five hundred one billion, three hundred thirty-one million, one hundred forty-two thousand, four hundred twenty-five".