1141023011 has 4 divisors (see below), whose sum is σ = 1141101024. Its totient is φ = 1140945000.

The previous prime is 1141022999. The next prime is 1141023041. The reversal of 1141023011 is 1103201411.

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.

It is a cyclic number.

It is not a de Polignac number, because 1141023011 - 2¹⁸ = 1140760867 is a prime.

It is a super-2 number, since 2×1141023011² = 2603867023263012242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141023041) 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, 9755 + ... + 48756.

It is an arithmetic number, because the mean of its divisors is an integer number (285275256).

Almost surely, 2^1141023011 is an apocalyptic number.

1141023011 is a deficient number, since it is larger than the sum of its proper divisors (78013).

1141023011 is an equidigital number, since it uses as much as digits as its factorization.

1141023011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78012.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1141023011 is about 33779.0321205330. The cubic root of 1141023011 is about 1044.9563135816.

Adding to 1141023011 its reverse (1103201411), we get a palindrome (2244224422).

The spelling of 1141023011 in words is "one billion, one hundred forty-one million, twenty-three thousand, eleven".