11605321625 has 16 divisors (see below), whose sum is σ = 14836702608. Its totient is φ = 9057808000.

The previous prime is 11605321597. The next prime is 11605321633. The reversal of 11605321625 is 52612350611.

It can be written as a sum of positive squares in 8 ways, for example, as 3592923481 + 8012398144 = 59941^2 + 89512^2 .

It is not a de Polignac number, because 11605321625 - 2⁶ = 11605321561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11605321591 and 11605321600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1127102 + ... + 1137351.

It is an arithmetic number, because the mean of its divisors is an integer number (927293913).

Almost surely, 2^11605321625 is an apocalyptic number.

It is an amenable number.

11605321625 is a deficient number, since it is larger than the sum of its proper divisors (3231380983).

11605321625 is an equidigital number, since it uses as much as digits as its factorization.

11605321625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264509 (or 2264499 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 11605321625 in words is "eleven billion, six hundred five million, three hundred twenty-one thousand, six hundred twenty-five".