125534530453 has 4 divisors (see below), whose sum is σ = 125535603340. Its totient is φ = 125533457568.

The previous prime is 125534530441. The next prime is 125534530463. The reversal of 125534530453 is 354035435521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 13866946564 + 111667583889 = 117758^2 + 334167^2 .

It is a cyclic number.

It is not a de Polignac number, because 125534530453 - 2⁵ = 125534530421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125534530463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335958 + ... + 603271.

It is an arithmetic number, because the mean of its divisors is an integer number (31383900835).

Almost surely, 2^125534530453 is an apocalyptic number.

It is an amenable number.

125534530453 is a deficient number, since it is larger than the sum of its proper divisors (1072887).

125534530453 is an equidigital number, since it uses as much as digits as its factorization.

125534530453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072886.

The product of its (nonzero) digits is 540000, while the sum is 40.

Adding to 125534530453 its reverse (354035435521), we get a palindrome (479569965974).

The spelling of 125534530453 in words is "one hundred twenty-five billion, five hundred thirty-four million, five hundred thirty thousand, four hundred fifty-three".