1115534141 has 4 divisors (see below), whose sum is σ = 1122639612. Its totient is φ = 1108428672.

The previous prime is 1115534131. The next prime is 1115534159. The reversal of 1115534141 is 1414355111.

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 157879225 + 957654916 = 12565^2 + 30946^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115534141 - 2¹⁰ = 1115533117 is a prime.

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 1115534141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115534111) 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, 3552500 + ... + 3552813.

It is an arithmetic number, because the mean of its divisors is an integer number (280659903).

Almost surely, 2^1115534141 is an apocalyptic number.

It is an amenable number.

1115534141 is a deficient number, since it is larger than the sum of its proper divisors (7105471).

1115534141 is an equidigital number, since it uses as much as digits as its factorization.

1115534141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7105470.

The product of its digits is 1200, while the sum is 26.

The square root of 1115534141 is about 33399.6128869782. The cubic root of 1115534141 is about 1037.1166872764.

Adding to 1115534141 its reverse (1414355111), we get a palindrome (2529889252).

The spelling of 1115534141 in words is "one billion, one hundred fifteen million, five hundred thirty-four thousand, one hundred forty-one".