1116542155 has 32 divisors (see below), whose sum is σ = 1403677440. Its totient is φ = 851834880.

The previous prime is 1116542131. The next prime is 1116542179. The reversal of 1116542155 is 5512456111.

It is an interprime number because it is at equal distance from previous prime (1116542131) and next prime (1116542179).

It is not a de Polignac number, because 1116542155 - 2¹³ = 1116533963 is a prime.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 3522057 + ... + 3522373.

It is an arithmetic number, because the mean of its divisors is an integer number (43864920).

Almost surely, 2^1116542155 is an apocalyptic number.

1116542155 is a deficient number, since it is larger than the sum of its proper divisors (287135285).

1116542155 is a wasteful number, since it uses less digits than its factorization.

1116542155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679.

The product of its digits is 6000, while the sum is 31.

The square root of 1116542155 is about 33414.6996844203. The cubic root of 1116542155 is about 1037.4289781547.

Adding to 1116542155 its reverse (5512456111), we get a palindrome (6628998266).

The spelling of 1116542155 in words is "one billion, one hundred sixteen million, five hundred forty-two thousand, one hundred fifty-five".