125789751250 has 20 divisors (see below), whose sum is σ = 235780312086. Its totient is φ = 50315900000.

The previous prime is 125789751239. The next prime is 125789751257. The reversal of 125789751250 is 52157987521.

It can be written as a sum of positive squares in 5 ways, for example, as 11223071721 + 114566679529 = 105939^2 + 338477^2 .

It is not an unprimeable number, because it can be changed into a prime (125789751257) 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, 50314651 + ... + 50317150.

Almost surely, 2^125789751250 is an apocalyptic number.

125789751250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125789751250 is a deficient number, since it is larger than the sum of its proper divisors (109990560836).

125789751250 is an equidigital number, since it uses as much as digits as its factorization.

125789751250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100631823 (or 100631808 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 52.

The spelling of 125789751250 in words is "one hundred twenty-five billion, seven hundred eighty-nine million, seven hundred fifty-one thousand, two hundred fifty".