1151140447 has 2 divisors, whose sum is σ = 1151140448. Its totient is φ = 1151140446.

The previous prime is 1151140433. The next prime is 1151140457. The reversal of 1151140447 is 7440411511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1151140447 - 2¹¹ = 1151138399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151140427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575570223 + 575570224.

It is an arithmetic number, because the mean of its divisors is an integer number (575570224).

Almost surely, 2^1151140447 is an apocalyptic number.

1151140447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151140447 is an equidigital number, since it uses as much as digits as its factorization.

1151140447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 1151140447 is about 33928.4607225262. The cubic root of 1151140447 is about 1048.0357675646.

Adding to 1151140447 its reverse (7440411511), we get a palindrome (8591551958).

The spelling of 1151140447 in words is "one billion, one hundred fifty-one million, one hundred forty thousand, four hundred forty-seven".