125245052205 has 64 divisors (see below), whose sum is σ = 250816849920. Its totient is φ = 51954852096.

The previous prime is 125245052203. The next prime is 125245052227. The reversal of 125245052205 is 502250542521.

It is a happy number.

It is not a de Polignac number, because 125245052205 - 2¹ = 125245052203 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125245052203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 697047 + ... + 858116.

It is an arithmetic number, because the mean of its divisors is an integer number (3919013280).

Almost surely, 2^125245052205 is an apocalyptic number.

125245052205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125245052205 is an abundant number, since it is smaller than the sum of its proper divisors (125571797715).

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

125245052205 is a wasteful number, since it uses less digits than its factorization.

125245052205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555250.

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

Adding to 125245052205 its reverse (502250542521), we get a palindrome (627495594726).

The spelling of 125245052205 in words is "one hundred twenty-five billion, two hundred forty-five million, fifty-two thousand, two hundred five".