725479437311 has 4 divisors (see below), whose sum is σ = 725481791400. Its totient is φ = 725477083224.

The previous prime is 725479437271. The next prime is 725479437337. The reversal of 725479437311 is 113734974527.

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 725479437311 - 2³⁰ = 724405695487 is a prime.

It is a super-2 number, since 2×725479437311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725479437211) 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, 630041 + ... + 1359378.

It is an arithmetic number, because the mean of its divisors is an integer number (181370447850).

Almost surely, 2^725479437311 is an apocalyptic number.

725479437311 is a deficient number, since it is larger than the sum of its proper divisors (2354089).

725479437311 is a wasteful number, since it uses less digits than its factorization.

725479437311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354088.

The product of its digits is 4445280, while the sum is 53.

The spelling of 725479437311 in words is "seven hundred twenty-five billion, four hundred seventy-nine million, four hundred thirty-seven thousand, three hundred eleven".