11153510442 has 24 divisors (see below), whose sum is σ = 24171655716. Its totient is φ = 3716957376.

The previous prime is 11153510441. The next prime is 11153510447. The reversal of 11153510442 is 24401535111.

11153510442 is a `hidden beast` number, since 111 + 535 + 10 + 4 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6598475361 + 4555035081 = 81231^2 + 67491^2 .

It is not an unprimeable number, because it can be changed into a prime (11153510441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7318 + ... + 149534.

Almost surely, 2^11153510442 is an apocalyptic number.

11153510442 is an abundant number, since it is smaller than the sum of its proper divisors (13018145274).

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

11153510442 is a wasteful number, since it uses less digits than its factorization.

11153510442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146582 (or 146579 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 11153510442 in words is "eleven billion, one hundred fifty-three million, five hundred ten thousand, four hundred forty-two".