11153442553 has 8 divisors (see below), whose sum is σ = 12168332640. Its totient is φ = 10138709280.

The previous prime is 11153442551. The next prime is 11153442571. The reversal of 11153442553 is 35524435111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11153442553 - 2¹ = 11153442551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11153442551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148701 + ... + 210757.

It is an arithmetic number, because the mean of its divisors is an integer number (1521041580).

Almost surely, 2^11153442553 is an apocalyptic number.

It is an amenable number.

11153442553 is a deficient number, since it is larger than the sum of its proper divisors (1014890087).

11153442553 is a wasteful number, since it uses less digits than its factorization.

11153442553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78407.

The product of its digits is 36000, while the sum is 34.

Adding to 11153442553 its reverse (35524435111), we get a palindrome (46677877664).

The spelling of 11153442553 in words is "eleven billion, one hundred fifty-three million, four hundred forty-two thousand, five hundred fifty-three".