11153955 has 48 divisors (see below), whose sum is σ = 19805184. Its totient is φ = 5352960.

The previous prime is 11153953. The next prime is 11153957. The reversal of 11153955 is 55935111.

It is an interprime number because it is at equal distance from previous prime (11153953) and next prime (11153957).

It is not a de Polignac number, because 11153955 - 2¹ = 11153953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11153953) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134344 + ... + 134426.

It is an arithmetic number, because the mean of its divisors is an integer number (412608).

Almost surely, 2^11153955 is an apocalyptic number.

11153955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11153955 is a deficient number, since it is larger than the sum of its proper divisors (8651229).

11153955 is a wasteful number, since it uses less digits than its factorization.

11153955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 139 counting only the distinct ones).

The product of its digits is 3375, while the sum is 30.

The square root of 11153955 is about 3339.7537334360. The cubic root of 11153955 is about 223.4307599480.

The spelling of 11153955 in words is "eleven million, one hundred fifty-three thousand, nine hundred fifty-five".