125534050205 has 8 divisors (see below), whose sum is σ = 153483140952. Its totient is φ = 98532386368.

The previous prime is 125534050171. The next prime is 125534050259. The reversal of 125534050205 is 502050435521.

It can be written as a sum of positive squares in 4 ways, for example, as 27215430841 + 98318619364 = 164971^2 + 313558^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 125534050205 - 2³⁴ = 108354181021 is a prime.

It is a Duffinian number.

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, 236856434 + ... + 236856963.

It is an arithmetic number, because the mean of its divisors is an integer number (19185392619).

Almost surely, 2^125534050205 is an apocalyptic number.

It is an amenable number.

125534050205 is a deficient number, since it is larger than the sum of its proper divisors (27949090747).

125534050205 is an equidigital number, since it uses as much as digits as its factorization.

125534050205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473713455.

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 125534050205 its reverse (502050435521), we get a palindrome (627584485726).

The spelling of 125534050205 in words is "one hundred twenty-five billion, five hundred thirty-four million, fifty thousand, two hundred five".