125623567445 has 8 divisors (see below), whose sum is σ = 153219564600. Its totient is φ = 98851331520.

The previous prime is 125623567403. The next prime is 125623567453. The reversal of 125623567445 is 544765326521.

It can be written as a sum of positive squares in 4 ways, for example, as 11045379409 + 114578188036 = 105097^2 + 338494^2 .

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

It is not a de Polignac number, because 125623567445 - 2¹² = 125623563349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125623567393 and 125623567402.

It is a congruent number.

It is an unprimeable number.

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, 205939970 + ... + 205940579.

It is an arithmetic number, because the mean of its divisors is an integer number (19152445575).

Almost surely, 2^125623567445 is an apocalyptic number.

It is an amenable number.

125623567445 is a deficient number, since it is larger than the sum of its proper divisors (27595997155).

125623567445 is an equidigital number, since it uses as much as digits as its factorization.

125623567445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411880615.

The product of its digits is 6048000, while the sum is 50.

The spelling of 125623567445 in words is "one hundred twenty-five billion, six hundred twenty-three million, five hundred sixty-seven thousand, four hundred forty-five".