11231534141 has 4 divisors (see below), whose sum is σ = 11231848284. Its totient is φ = 11231220000.

The previous prime is 11231534129. The next prime is 11231534147. The reversal of 11231534141 is 14143513211.

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 9059042041 + 2172492100 = 95179^2 + 46610^2 .

It is a cyclic number.

It is not a de Polignac number, because 11231534141 - 2³⁰ = 10157792317 is a prime.

It is a super-2 number, since 2×11231534141² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11231534141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231534147) 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, 95360 + ... + 177641.

It is an arithmetic number, because the mean of its divisors is an integer number (2807962071).

Almost surely, 2^11231534141 is an apocalyptic number.

It is an amenable number.

11231534141 is a deficient number, since it is larger than the sum of its proper divisors (314143).

11231534141 is an equidigital number, since it uses as much as digits as its factorization.

11231534141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314142.

The product of its digits is 1440, while the sum is 26.

The spelling of 11231534141 in words is "eleven billion, two hundred thirty-one million, five hundred thirty-four thousand, one hundred forty-one".