11541995 has 4 divisors (see below), whose sum is σ = 13850400. Its totient is φ = 9233592.

The previous prime is 11541991. The next prime is 11542001. The reversal of 11541995 is 59914511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59914511 = 17 ⋅3524383.

It is a cyclic number.

It is not a de Polignac number, because 11541995 - 2² = 11541991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11541991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154195 + ... + 1154204.

It is an arithmetic number, because the mean of its divisors is an integer number (3462600).

Almost surely, 2^11541995 is an apocalyptic number.

11541995 is a deficient number, since it is larger than the sum of its proper divisors (2308405).

11541995 is an equidigital number, since it uses as much as digits as its factorization.

11541995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308404.

The product of its digits is 8100, while the sum is 35.

The square root of 11541995 is about 3397.3511740767. The cubic root of 11541995 is about 225.9922922685.

The spelling of 11541995 in words is "eleven million, five hundred forty-one thousand, nine hundred ninety-five".