125406016444 has 6 divisors (see below), whose sum is σ = 219460528784. Its totient is φ = 62703008220.

The previous prime is 125406016399. The next prime is 125406016447. The reversal of 125406016444 is 444610604521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125406016447) 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 as a sum of consecutive naturals, namely, 15675752052 + ... + 15675752059.

Almost surely, 2^125406016444 is an apocalyptic number.

It is an amenable number.

125406016444 is a deficient number, since it is larger than the sum of its proper divisors (94054512340).

125406016444 is a wasteful number, since it uses less digits than its factorization.

125406016444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31351504115 (or 31351504113 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 125406016444 in words is "one hundred twenty-five billion, four hundred six million, sixteen thousand, four hundred forty-four".