1116158431 has 2 divisors, whose sum is σ = 1116158432. Its totient is φ = 1116158430.

The previous prime is 1116158399. The next prime is 1116158437. The reversal of 1116158431 is 1348516111.

It is a strong prime.

It is an emirp because it is prime and its reverse (1348516111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1116158431 - 2⁵ = 1116158399 is a prime.

It is a super-2 number, since 2×1116158431² = 2491619286184763522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1116158393 and 1116158402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1116158437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558079215 + 558079216.

It is an arithmetic number, because the mean of its divisors is an integer number (558079216).

Almost surely, 2^1116158431 is an apocalyptic number.

1116158431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116158431 is an equidigital number, since it uses as much as digits as its factorization.

1116158431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 31.

The square root of 1116158431 is about 33408.9573467955. The cubic root of 1116158431 is about 1037.3101195256.

The spelling of 1116158431 in words is "one billion, one hundred sixteen million, one hundred fifty-eight thousand, four hundred thirty-one".