125555132320 has 24 divisors (see below), whose sum is σ = 296624000484. Its totient is φ = 50222052864.

The previous prime is 125555132299. The next prime is 125555132363. The reversal of 125555132320 is 23231555521.

It can be written as a sum of positive squares in 2 ways, for example, as 124883078544 + 672053776 = 353388^2 + 25924^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392359629 + ... + 392359948.

Almost surely, 2^125555132320 is an apocalyptic number.

125555132320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125555132320 is an abundant number, since it is smaller than the sum of its proper divisors (171068868164).

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

125555132320 is an equidigital number, since it uses as much as digits as its factorization.

125555132320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784719592 (or 784719584 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 125555132320 its reverse (23231555521), we get a palindrome (148786687841).

The spelling of 125555132320 in words is "one hundred twenty-five billion, five hundred fifty-five million, one hundred thirty-two thousand, three hundred twenty".