11135901 has 16 divisors (see below), whose sum is σ = 17967744. Its totient is φ = 5988864.

The previous prime is 11135897. The next prime is 11135911. The reversal of 11135901 is 10953111.

It is not a de Polignac number, because 11135901 - 2² = 11135897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11135911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15240 + ... + 15953.

It is an arithmetic number, because the mean of its divisors is an integer number (1122984).

Almost surely, 2^11135901 is an apocalyptic number.

It is an amenable number.

11135901 is a deficient number, since it is larger than the sum of its proper divisors (6831843).

11135901 is a wasteful number, since it uses less digits than its factorization.

11135901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31220.

The product of its (nonzero) digits is 135, while the sum is 21.

The square root of 11135901 is about 3337.0497449094. The cubic root of 11135901 is about 223.3101451136.

The spelling of 11135901 in words is "eleven million, one hundred thirty-five thousand, nine hundred one".