125550530445 has 32 divisors (see below), whose sum is σ = 220647168000. Its totient is φ = 60677964864.

The previous prime is 125550530429. The next prime is 125550530447. The reversal of 125550530445 is 544035055521.

It is not a de Polignac number, because 125550530445 - 2⁴ = 125550530429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125550530447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9570145 + ... + 9583254.

It is an arithmetic number, because the mean of its divisors is an integer number (6895224000).

Almost surely, 2^125550530445 is an apocalyptic number.

125550530445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125550530445 is a deficient number, since it is larger than the sum of its proper divisors (95096637555).

125550530445 is a wasteful number, since it uses less digits than its factorization.

125550530445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19153449.

The product of its (nonzero) digits is 300000, while the sum is 39.

Adding to 125550530445 its reverse (544035055521), we get a palindrome (669585585966).

The spelling of 125550530445 in words is "one hundred twenty-five billion, five hundred fifty million, five hundred thirty thousand, four hundred forty-five".