11152040 has 16 divisors (see below), whose sum is σ = 25092180. Its totient is φ = 4460800.

The previous prime is 11152027. The next prime is 11152067. The reversal of 11152040 is 4025111.

It can be written as a sum of positive squares in 2 ways, for example, as 10719076 + 432964 = 3274^2 + 658^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139361 + ... + 139440.

Almost surely, 2^11152040 is an apocalyptic number.

11152040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11152040 is an abundant number, since it is smaller than the sum of its proper divisors (13940140).

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

11152040 is a wasteful number, since it uses less digits than its factorization.

11152040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278812 (or 278808 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 11152040 is about 3339.4670233437. The cubic root of 11152040 is about 223.4179724242.

Adding to 11152040 its reverse (4025111), we get a palindrome (15177151).

The spelling of 11152040 in words is "eleven million, one hundred fifty-two thousand, forty".