725118650071 has 4 divisors (see below), whose sum is σ = 725122339200. Its totient is φ = 725114960944.

The previous prime is 725118650059. The next prime is 725118650111. The reversal of 725118650071 is 170056811527.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725118650071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725118650051) 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, 1532086 + ... + 1948723.

It is an arithmetic number, because the mean of its divisors is an integer number (181280584800).

Almost surely, 2^725118650071 is an apocalyptic number.

725118650071 is a deficient number, since it is larger than the sum of its proper divisors (3689129).

725118650071 is a wasteful number, since it uses less digits than its factorization.

725118650071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689128.

The product of its (nonzero) digits is 117600, while the sum is 43.

The spelling of 725118650071 in words is "seven hundred twenty-five billion, one hundred eighteen million, six hundred fifty thousand, seventy-one".