1114431511 has 2 divisors, whose sum is σ = 1114431512. Its totient is φ = 1114431510.

The previous prime is 1114431499. The next prime is 1114431533. The reversal of 1114431511 is 1151344111.

It is an a-pointer prime, because the next prime (1114431533) can be obtained adding 1114431511 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1114431511 - 2¹³ = 1114423319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1114431611) 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, 557215755 + 557215756.

It is an arithmetic number, because the mean of its divisors is an integer number (557215756).

Almost surely, 2^1114431511 is an apocalyptic number.

1114431511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1114431511 is an equidigital number, since it uses as much as digits as its factorization.

1114431511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 22.

The square root of 1114431511 is about 33383.1021775988. The cubic root of 1114431511 is about 1036.7748680786.

Adding to 1114431511 its reverse (1151344111), we get a palindrome (2265775622).

The spelling of 1114431511 in words is "one billion, one hundred fourteen million, four hundred thirty-one thousand, five hundred eleven".