1163012216155 has 8 divisors (see below), whose sum is σ = 1395674704512. Its totient is φ = 930369742848.

The previous prime is 1163012216141. The next prime is 1163012216159. The reversal of 1163012216155 is 5516122103611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1163012216155 - 2⁵ = 1163012216123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1163012216155.

It is not an unprimeable number, because it can be changed into a prime (1163012216159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4875627 + ... + 5108596.

It is an arithmetic number, because the mean of its divisors is an integer number (174459338064).

Almost surely, 2^{1163012216155} is an apocalyptic number.

1163012216155 is a deficient number, since it is larger than the sum of its proper divisors (232662488357).

1163012216155 is an equidigital number, since it uses as much as digits as its factorization.

1163012216155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10007525.

The product of its (nonzero) digits is 10800, while the sum is 34.

Adding to 1163012216155 its reverse (5516122103611), we get a palindrome (6679134319766).

The spelling of 1163012216155 in words is "one trillion, one hundred sixty-three billion, twelve million, two hundred sixteen thousand, one hundred fifty-five".