1106161155 has 48 divisors (see below), whose sum is σ = 2095441920. Its totient is φ = 535348800.

The previous prime is 1106161141. The next prime is 1106161157. The reversal of 1106161155 is 5511616011.

It is not a de Polignac number, because 1106161155 - 2⁸ = 1106160899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1106161157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 324510 + ... + 327900.

It is an arithmetic number, because the mean of its divisors is an integer number (43655040).

Almost surely, 2^1106161155 is an apocalyptic number.

1106161155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1106161155 is a deficient number, since it is larger than the sum of its proper divisors (989280765).

1106161155 is a wasteful number, since it uses less digits than its factorization.

1106161155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4072 (or 4069 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The square root of 1106161155 is about 33259.0011124808. The cubic root of 1106161155 is about 1034.2038125200.

Adding to 1106161155 its reverse (5511616011), we get a palindrome (6617777166).

It can be divided in two parts, 1106 and 161155, that added together give a palindrome (162261).

The spelling of 1106161155 in words is "one billion, one hundred six million, one hundred sixty-one thousand, one hundred fifty-five".