11545105 has 32 divisors (see below), whose sum is σ = 16587648. Its totient is φ = 7603200.

The previous prime is 11545099. The next prime is 11545109. The reversal of 11545105 is 50154511.

It is a happy number.

It is not a de Polignac number, because 11545105 - 2⁷ = 11544977 is a prime.

It is a super-2 number, since 2×11545105² = 266578898922050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11545109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47785 + ... + 48025.

It is an arithmetic number, because the mean of its divisors is an integer number (518364).

Almost surely, 2^11545105 is an apocalyptic number.

It is an amenable number.

11545105 is a deficient number, since it is larger than the sum of its proper divisors (5042543).

11545105 is a wasteful number, since it uses less digits than its factorization.

11545105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 11545105 is about 3397.8088527756. The cubic root of 11545105 is about 226.0125883817.

Adding to 11545105 its reverse (50154511), we get a palindrome (61699616).

The spelling of 11545105 in words is "eleven million, five hundred forty-five thousand, one hundred five".