1145112511 has 2 divisors, whose sum is σ = 1145112512. Its totient is φ = 1145112510.

The previous prime is 1145112481. The next prime is 1145112547. The reversal of 1145112511 is 1152115411.

It is a weak prime.

It is an emirp because it is prime and its reverse (1152115411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1145112511 - 2¹⁵ = 1145079743 is a prime.

It is a super-2 number, since 2×1145112511² = 2622565325697450242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145112581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572556255 + 572556256.

It is an arithmetic number, because the mean of its divisors is an integer number (572556256).

Almost surely, 2^1145112511 is an apocalyptic number.

1145112511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145112511 is an equidigital number, since it uses as much as digits as its factorization.

1145112511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 200, while the sum is 22.

The square root of 1145112511 is about 33839.5110928039. The cubic root of 1145112511 is about 1046.2032220212.

Adding to 1145112511 its reverse (1152115411), we get a palindrome (2297227922).

The spelling of 1145112511 in words is "one billion, one hundred forty-five million, one hundred twelve thousand, five hundred eleven".