125332353405 has 80 divisors (see below), whose sum is σ = 261610487424. Its totient is φ = 56213688960.

The previous prime is 125332353403. The next prime is 125332353427. The reversal of 125332353405 is 504353233521.

125332353405 is a `hidden beast` number, since 1 + 253 + 32 + 35 + 340 + 5 = 666.

It is not a de Polignac number, because 125332353405 - 2¹ = 125332353403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125332353405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125332353401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 266811 + ... + 567320.

Almost surely, 2^125332353405 is an apocalyptic number.

125332353405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125332353405 is an abundant number, since it is smaller than the sum of its proper divisors (136278134019).

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

125332353405 is an equidigital number, since it uses as much as digits as its factorization.

125332353405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834208 (or 834199 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 125332353405 its reverse (504353233521), we get a palindrome (629685586926).

The spelling of 125332353405 in words is "one hundred twenty-five billion, three hundred thirty-two million, three hundred fifty-three thousand, four hundred five".