11142035141 has 4 divisors (see below), whose sum is σ = 11156449932. Its totient is φ = 11127620352.

The previous prime is 11142035137. The next prime is 11142035147. The reversal of 11142035141 is 14153024111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1003559041 + 10138476100 = 31679^2 + 100690^2 .

It is a cyclic number.

It is not a de Polignac number, because 11142035141 - 2² = 11142035137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142035147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7206236 + ... + 7207781.

It is an arithmetic number, because the mean of its divisors is an integer number (2789112483).

Almost surely, 2^11142035141 is an apocalyptic number.

It is an amenable number.

11142035141 is a deficient number, since it is larger than the sum of its proper divisors (14414791).

11142035141 is an equidigital number, since it uses as much as digits as its factorization.

11142035141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14414790.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 11142035141 its reverse (14153024111), we get a palindrome (25295059252).

The spelling of 11142035141 in words is "eleven billion, one hundred forty-two million, thirty-five thousand, one hundred forty-one".