11154402 has 64 divisors (see below), whose sum is σ = 29583360. Its totient is φ = 3046032.

The previous prime is 11154401. The next prime is 11154413. The reversal of 11154402 is 20445111.

11154402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11154401) 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, 8053 + ... + 9335.

It is an arithmetic number, because the mean of its divisors is an integer number (462240).

Almost surely, 2^11154402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11154402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14791680).

11154402 is an abundant number, since it is smaller than the sum of its proper divisors (18428958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11154402 is a wasteful number, since it uses less digits than its factorization.

11154402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 1318 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 11154402 is about 3339.8206538675. The cubic root of 11154402 is about 223.4337446057.

Adding to 11154402 its reverse (20445111), we get a palindrome (31599513).

The spelling of 11154402 in words is "eleven million, one hundred fifty-four thousand, four hundred two".