725631136271 has 2 divisors, whose sum is σ = 725631136272. Its totient is φ = 725631136270.

The previous prime is 725631136201. The next prime is 725631136333. The reversal of 725631136271 is 172631136527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 725631136271 - 2¹⁸ = 725630874127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725631136201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362815568135 + 362815568136.

It is an arithmetic number, because the mean of its divisors is an integer number (362815568136).

Almost surely, 2^725631136271 is an apocalyptic number.

725631136271 is a deficient number, since it is larger than the sum of its proper divisors (1).

725631136271 is an equidigital number, since it uses as much as digits as its factorization.

725631136271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 44.

The spelling of 725631136271 in words is "seven hundred twenty-five billion, six hundred thirty-one million, one hundred thirty-six thousand, two hundred seventy-one".