111151321160 has 48 divisors (see below), whose sum is σ = 274892845500. Its totient is φ = 40418660480.

The previous prime is 111151321147. The next prime is 111151321217. The reversal of 111151321160 is 61123151111.

It can be written as a sum of positive squares in 2 ways, for example, as 109612642084 + 1538679076 = 331078^2 + 39226^2 .

It is a super-2 number, since 2×111151321160² (a number of 23 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 11477735 + ... + 11487414.

Almost surely, 2^111151321160 is an apocalyptic number.

111151321160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111151321160 is an abundant number, since it is smaller than the sum of its proper divisors (163741524340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111151321160 is a wasteful number, since it uses less digits than its factorization.

111151321160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22965182 (or 22965167 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 23.

Adding to 111151321160 its reverse (61123151111), we get a palindrome (172274472271).

The spelling of 111151321160 in words is "one hundred eleven billion, one hundred fifty-one million, three hundred twenty-one thousand, one hundred sixty".