125455200405 has 8 divisors (see below), whose sum is σ = 200728320672. Its totient is φ = 66909440208.

The previous prime is 125455200391. The next prime is 125455200427. The reversal of 125455200405 is 504002554521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125455200405 - 2⁴ = 125455200389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4181839999 + ... + 4181840028.

It is an arithmetic number, because the mean of its divisors is an integer number (25091040084).

Almost surely, 2^125455200405 is an apocalyptic number.

125455200405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125455200405 is a deficient number, since it is larger than the sum of its proper divisors (75273120267).

125455200405 is an equidigital number, since it uses as much as digits as its factorization.

125455200405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8363680035.

The product of its (nonzero) digits is 40000, while the sum is 33.

Adding to 125455200405 its reverse (504002554521), we get a palindrome (629457754926).

The spelling of 125455200405 in words is "one hundred twenty-five billion, four hundred fifty-five million, two hundred thousand, four hundred five".