531250010000 has 50 divisors (see below), whose sum is σ = 1286209423422. Its totient is φ = 212500000000.

The previous prime is 531250009991. The next prime is 531250010003. The reversal of 531250010000 is 10052135.

It can be written as a sum of positive squares in 5 ways, for example, as 292512232336 + 238737777664 = 540844^2 + 488608^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is not an unprimeable number, because it can be changed into a prime (531250010003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26552501 + ... + 26572500.

Almost surely, 2^531250010000 is an apocalyptic number.

531250010000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

531250010000 is an abundant number, since it is smaller than the sum of its proper divisors (754959413422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531250010000 is an equidigital number, since it uses as much as digits as its factorization.

531250010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53125029 (or 53125008 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

Adding to 531250010000 its reverse (10052135), we get a palindrome (531260062135).

The spelling of 531250010000 in words is "five hundred thirty-one billion, two hundred fifty million, ten thousand".