1167228560985 has 8 divisors (see below), whose sum is σ = 1867565697600. Its totient is φ = 622521899184.

The previous prime is 1167228560963. The next prime is 1167228560989. The reversal of 1167228560985 is 5890658227611.

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

It is not a de Polignac number, because 1167228560985 - 2⁶ = 1167228560921 is a prime.

It is a super-2 number, since 2×1167228560985² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1167228560989) 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, 38907618685 + ... + 38907618714.

It is an arithmetic number, because the mean of its divisors is an integer number (233445712200).

Almost surely, 2^{1167228560985} is an apocalyptic number.

1167228560985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1167228560985 is a deficient number, since it is larger than the sum of its proper divisors (700337136615).

1167228560985 is an equidigital number, since it uses as much as digits as its factorization.

1167228560985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77815237407.

The product of its (nonzero) digits is 14515200, while the sum is 60.

The spelling of 1167228560985 in words is "one trillion, one hundred sixty-seven billion, two hundred twenty-eight million, five hundred sixty thousand, nine hundred eighty-five".