11230515143101 has 4 divisors (see below), whose sum is σ = 11230721728092. Its totient is φ = 11230308558112.

The previous prime is 11230515143077. The next prime is 11230515143189. The reversal of 11230515143101 is 10134151503211.

It is a happy number.

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 9896781187225 + 1333733955876 = 3145915^2 + 1154874^2 .

It is a cyclic number.

It is not a de Polignac number, because 11230515143101 - 2¹⁵ = 11230515110333 is a prime.

It is a super-2 number, since 2×11230515143101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11230515143101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230515443101) 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, 103210930 + ... + 103319683.

It is an arithmetic number, because the mean of its divisors is an integer number (2807680432023).

Almost surely, 2^{11230515143101} is an apocalyptic number.

It is an amenable number.

11230515143101 is a deficient number, since it is larger than the sum of its proper divisors (206584991).

11230515143101 is an equidigital number, since it uses as much as digits as its factorization.

11230515143101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206584990.

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 11230515143101 its reverse (10134151503211), we get a palindrome (21364666646312).

The spelling of 11230515143101 in words is "eleven trillion, two hundred thirty billion, five hundred fifteen million, one hundred forty-three thousand, one hundred one".