125087043664 has 80 divisors (see below), whose sum is σ = 286768895616. Its totient is φ = 52207923200.

The previous prime is 125087043661. The next prime is 125087043673. The reversal of 125087043664 is 466340780521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125087043661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387172 + ... + 632515.

Almost surely, 2^125087043664 is an apocalyptic number.

It is an amenable number.

125087043664 is an abundant number, since it is smaller than the sum of its proper divisors (161681851952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125087043664 is a wasteful number, since it uses less digits than its factorization.

125087043664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019764 (or 1019758 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 125087043664 in words is "one hundred twenty-five billion, eighty-seven million, forty-three thousand, six hundred sixty-four".