1141011013 has 4 divisors (see below), whose sum is σ = 1141093260. Its totient is φ = 1140928768.

The previous prime is 1141010999. The next prime is 1141011029. The reversal of 1141011013 is 3101101411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3101101411 = 4259 ⋅728129.

It can be written as a sum of positive squares in 2 ways, for example, as 510850404 + 630160609 = 22602^2 + 25103^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141011013 - 2⁹ = 1141010501 is a prime.

It is a super-2 number, since 2×1141011013² = 2603812263574572338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1141010984 and 1141011002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141011713) 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, 14620 + ... + 49957.

It is an arithmetic number, because the mean of its divisors is an integer number (285273315).

Almost surely, 2^1141011013 is an apocalyptic number.

It is an amenable number.

1141011013 is a deficient number, since it is larger than the sum of its proper divisors (82247).

1141011013 is an equidigital number, since it uses as much as digits as its factorization.

1141011013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82246.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1141011013 is about 33778.8545246875. The cubic root of 1141011013 is about 1044.9526509532.

Adding to 1141011013 its reverse (3101101411), we get a palindrome (4242112424).

The spelling of 1141011013 in words is "one billion, one hundred forty-one million, eleven thousand, thirteen".