1135041631 has 4 divisors (see below), whose sum is σ = 1161437992. Its totient is φ = 1108645272.

The previous prime is 1135041619. The next prime is 1135041671. The reversal of 1135041631 is 1361405311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1361405311 = 7 ⋅194486473.

It is a cyclic number.

It is not a de Polignac number, because 1135041631 - 2⁵ = 1135041599 is a prime.

It is a super-2 number, since 2×1135041631² = 2576639008206280322, 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 = 1135041596 and 1135041605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135041671) 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, 13198116 + ... + 13198201.

It is an arithmetic number, because the mean of its divisors is an integer number (290359498).

Almost surely, 2^1135041631 is an apocalyptic number.

1135041631 is a deficient number, since it is larger than the sum of its proper divisors (26396361).

1135041631 is an equidigital number, since it uses as much as digits as its factorization.

1135041631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26396360.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1135041631 is about 33690.3789085252. The cubic root of 1135041631 is about 1043.1271847421.

Adding to 1135041631 its reverse (1361405311), we get a palindrome (2496446942).

The spelling of 1135041631 in words is "one billion, one hundred thirty-five million, forty-one thousand, six hundred thirty-one".