125049967436 has 12 divisors (see below), whose sum is σ = 219092801928. Its totient is φ = 62452024032.

The previous prime is 125049967423. The next prime is 125049967439. The reversal of 125049967436 is 634769940521.

It is not an unprimeable number, because it can be changed into a prime (125049967439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18236066 + ... + 18242921.

It is an arithmetic number, because the mean of its divisors is an integer number (18257733494).

Almost surely, 2^125049967436 is an apocalyptic number.

It is an amenable number.

125049967436 is a deficient number, since it is larger than the sum of its proper divisors (94042834492).

125049967436 is a wasteful number, since it uses less digits than its factorization.

125049967436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36479848 (or 36479846 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 125049967436 in words is "one hundred twenty-five billion, forty-nine million, nine hundred sixty-seven thousand, four hundred thirty-six".