725855737951 has 8 divisors (see below), whose sum is σ = 736022113424. Its totient is φ = 715695393600.

The previous prime is 725855737909. The next prime is 725855737969. The reversal of 725855737951 is 159737558527.

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

It is a cyclic number.

It is not a de Polignac number, because 725855737951 - 2⁷ = 725855737823 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 (725855737991) 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 7 ways as a sum of consecutive naturals, for example, 1265121 + ... + 1747066.

It is an arithmetic number, because the mean of its divisors is an integer number (92002764178).

Almost surely, 2^725855737951 is an apocalyptic number.

725855737951 is a deficient number, since it is larger than the sum of its proper divisors (10166375473).

725855737951 is a wasteful number, since it uses less digits than its factorization.

725855737951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015561.

The product of its digits is 92610000, while the sum is 64.

The spelling of 725855737951 in words is "seven hundred twenty-five billion, eight hundred fifty-five million, seven hundred thirty-seven thousand, nine hundred fifty-one".