1141365263 has 4 divisors (see below), whose sum is σ = 1141498488. Its totient is φ = 1141232040.

The previous prime is 1141365217. The next prime is 1141365299. The reversal of 1141365263 is 3625631411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3625631411 = 173 ⋅20957407.

It is a cyclic number.

It is not a de Polignac number, because 1141365263 - 2¹² = 1141361167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141367263) 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, 52808 + ... + 71213.

It is an arithmetic number, because the mean of its divisors is an integer number (285374622).

Almost surely, 2^1141365263 is an apocalyptic number.

1141365263 is a deficient number, since it is larger than the sum of its proper divisors (133225).

1141365263 is an equidigital number, since it uses as much as digits as its factorization.

1141365263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133224.

The product of its digits is 12960, while the sum is 32.

The square root of 1141365263 is about 33784.0977828327. The cubic root of 1141365263 is about 1045.0607820082.

Adding to 1141365263 its reverse (3625631411), we get a palindrome (4766996674).

The spelling of 1141365263 in words is "one billion, one hundred forty-one million, three hundred sixty-five thousand, two hundred sixty-three".