1106161515 has 24 divisors (see below), whose sum is σ = 1988361648. Its totient is φ = 589952160.

The previous prime is 1106161493. The next prime is 1106161531. The reversal of 1106161515 is 5151616011.

It is not a de Polignac number, because 1106161515 - 2⁷ = 1106161387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 453996 + ... + 456425.

It is an arithmetic number, because the mean of its divisors is an integer number (82848402).

Almost surely, 2^1106161515 is an apocalyptic number.

1106161515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1106161515 is a deficient number, since it is larger than the sum of its proper divisors (882200133).

1106161515 is an frugal number, since it uses more digits than its factorization.

1106161515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910441 (or 910429 counting only the distinct ones).

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

The square root of 1106161515 is about 33259.0065245491. The cubic root of 1106161515 is about 1034.2039247138.

Adding to 1106161515 its reverse (5151616011), we get a palindrome (6257777526).

The spelling of 1106161515 in words is "one billion, one hundred six million, one hundred sixty-one thousand, five hundred fifteen".