1144153511 has 2 divisors, whose sum is σ = 1144153512. Its totient is φ = 1144153510.

The previous prime is 1144153481. The next prime is 1144153519. The reversal of 1144153511 is 1153514411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144153511 - 2⁶ = 1144153447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144153519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572076755 + 572076756.

It is an arithmetic number, because the mean of its divisors is an integer number (572076756).

Almost surely, 2^1144153511 is an apocalyptic number.

1144153511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144153511 is an equidigital number, since it uses as much as digits as its factorization.

1144153511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 26.

The square root of 1144153511 is about 33825.3382983822. The cubic root of 1144153511 is about 1045.9110850501.

Adding to 1144153511 its reverse (1153514411), we get a palindrome (2297667922).

The spelling of 1144153511 in words is "one billion, one hundred forty-four million, one hundred fifty-three thousand, five hundred eleven".