1141343511 has 24 divisors (see below), whose sum is σ = 1911676032. Its totient is φ = 592904400.

The previous prime is 1141343507. The next prime is 1141343519. The reversal of 1141343511 is 1153431411.

It is not a de Polignac number, because 1141343511 - 2² = 1141343507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141343519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222045 + ... + 227126.

It is an arithmetic number, because the mean of its divisors is an integer number (79653168).

Almost surely, 2^1141343511 is an apocalyptic number.

1141343511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1141343511 is a deficient number, since it is larger than the sum of its proper divisors (770332521).

1141343511 is a wasteful number, since it uses less digits than its factorization.

1141343511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449203 (or 449192 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 1141343511 is about 33783.7758546910. The cubic root of 1141343511 is about 1045.0541430858.

Adding to 1141343511 its reverse (1153431411), we get a palindrome (2294774922).

The spelling of 1141343511 in words is "one billion, one hundred forty-one million, three hundred forty-three thousand, five hundred eleven".