725101101101603 has 4 divisors (see below), whose sum is σ = 730810558590720. Its totient is φ = 719391643612488.

The previous prime is 725101101101543. The next prime is 725101101101639. The reversal of 725101101101603 is 306101101101527.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 725101101101603 - 2¹⁸ = 725101100839459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725101101101653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2854728744368 + ... + 2854728744621.

It is an arithmetic number, because the mean of its divisors is an integer number (182702639647680).

Almost surely, 2^{725101101101603} is an apocalyptic number.

725101101101603 is a deficient number, since it is larger than the sum of its proper divisors (5709457489117).

725101101101603 is a wasteful number, since it uses less digits than its factorization.

725101101101603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5709457489116.

The product of its (nonzero) digits is 1260, while the sum is 29.

The spelling of 725101101101603 in words is "seven hundred twenty-five trillion, one hundred one billion, one hundred one million, one hundred one thousand, six hundred three".