725457219011 has 8 divisors (see below), whose sum is σ = 829105822464. Its totient is φ = 621811580040.

The previous prime is 725457219007. The next prime is 725457219023. The reversal of 725457219011 is 110912754527.

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

It is not a de Polignac number, because 725457219011 - 2² = 725457219007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725457218011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189335 + ... + 1219328.

It is an arithmetic number, because the mean of its divisors is an integer number (103638227808).

Almost surely, 2^725457219011 is an apocalyptic number.

725457219011 is a deficient number, since it is larger than the sum of its proper divisors (103648603453).

725457219011 is a wasteful number, since it uses less digits than its factorization.

725457219011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482241.

The product of its (nonzero) digits is 176400, while the sum is 44.

The spelling of 725457219011 in words is "seven hundred twenty-five billion, four hundred fifty-seven million, two hundred nineteen thousand, eleven".