125040051445 has 8 divisors (see below), whose sum is σ = 150605862840. Its totient is φ = 99660173760.

The previous prime is 125040051443. The next prime is 125040051463. The reversal of 125040051445 is 544150040521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13404545284 + 111635506161 = 115778^2 + 334119^2 .

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

It is not a de Polignac number, because 125040051445 - 2¹ = 125040051443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125040051443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46481946 + ... + 46484635.

It is an arithmetic number, because the mean of its divisors is an integer number (18825732855).

Almost surely, 2^125040051445 is an apocalyptic number.

It is an amenable number.

125040051445 is a deficient number, since it is larger than the sum of its proper divisors (25565811395).

125040051445 is an equidigital number, since it uses as much as digits as its factorization.

125040051445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92966855.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 125040051445 its reverse (544150040521), we get a palindrome (669190091966).

The spelling of 125040051445 in words is "one hundred twenty-five billion, forty million, fifty-one thousand, four hundred forty-five".