11142040553 has 32 divisors (see below), whose sum is σ = 13971210240. Its totient is φ = 8670473280.

The previous prime is 11142040549. The next prime is 11142040561. The reversal of 11142040553 is 35504024111.

It is not a de Polignac number, because 11142040553 - 2² = 11142040549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11142049553) 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, 411551 + ... + 437787.

It is an arithmetic number, because the mean of its divisors is an integer number (436600320).

Almost surely, 2^11142040553 is an apocalyptic number.

It is an amenable number.

11142040553 is a deficient number, since it is larger than the sum of its proper divisors (2829169687).

11142040553 is a wasteful number, since it uses less digits than its factorization.

11142040553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26397.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 11142040553 its reverse (35504024111), we get a palindrome (46646064664).

The spelling of 11142040553 in words is "eleven billion, one hundred forty-two million, forty thousand, five hundred fifty-three".