11561395 has 8 divisors (see below), whose sum is σ = 13912560. Its totient is φ = 9223200.

The previous prime is 11561371. The next prime is 11561423. The reversal of 11561395 is 59316511.

11561395 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11561395 - 2⁷ = 11561267 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156 + ... + 4945.

It is an arithmetic number, because the mean of its divisors is an integer number (1739070).

Almost surely, 2^11561395 is an apocalyptic number.

11561395 is a deficient number, since it is larger than the sum of its proper divisors (2351165).

11561395 is an equidigital number, since it uses as much as digits as its factorization.

11561395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6485.

The product of its digits is 4050, while the sum is 31.

The square root of 11561395 is about 3400.2051408702. The cubic root of 11561395 is about 226.1188387447.

The spelling of 11561395 in words is "eleven million, five hundred sixty-one thousand, three hundred ninety-five".