725173353511 has 2 divisors, whose sum is σ = 725173353512. Its totient is φ = 725173353510.

The previous prime is 725173353481. The next prime is 725173353521. The reversal of 725173353511 is 115353371527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 725173353511 - 2¹⁹ = 725172829223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725173353521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362586676755 + 362586676756.

It is an arithmetic number, because the mean of its divisors is an integer number (362586676756).

Almost surely, 2^725173353511 is an apocalyptic number.

725173353511 is a deficient number, since it is larger than the sum of its proper divisors (1).

725173353511 is an equidigital number, since it uses as much as digits as its factorization.

725173353511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 330750, while the sum is 43.

The spelling of 725173353511 in words is "seven hundred twenty-five billion, one hundred seventy-three million, three hundred fifty-three thousand, five hundred eleven".