1141111051 has 2 divisors, whose sum is σ = 1141111052. Its totient is φ = 1141111050.

The previous prime is 1141111033. The next prime is 1141111091. The reversal of 1141111051 is 1501111411.

It is a weak prime.

It is an emirp because it is prime and its reverse (1501111411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1141111051 - 2²³ = 1132722443 is a prime.

It is not a weakly prime, because it can be changed into another prime (1141111021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570555525 + 570555526.

It is an arithmetic number, because the mean of its divisors is an integer number (570555526).

Almost surely, 2^1141111051 is an apocalyptic number.

1141111051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141111051 is an equidigital number, since it uses as much as digits as its factorization.

1141111051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 16.

The square root of 1141111051 is about 33780.3352706867. The cubic root of 1141111051 is about 1044.9831887591.

Adding to 1141111051 its reverse (1501111411), we get a palindrome (2642222462).

The spelling of 1141111051 in words is "one billion, one hundred forty-one million, one hundred eleven thousand, fifty-one".