111131620460 has 48 divisors (see below), whose sum is σ = 267778586880. Its totient is φ = 37950456000.

The previous prime is 111131620441. The next prime is 111131620463. The reversal of 111131620460 is 64026131111.

It is a super-2 number, since 2×111131620460² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111131620463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1546130 + ... + 1616409.

It is an arithmetic number, because the mean of its divisors is an integer number (5578720560).

Almost surely, 2^111131620460 is an apocalyptic number.

111131620460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111131620460 is an abundant number, since it is smaller than the sum of its proper divisors (156646966420).

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

111131620460 is a wasteful number, since it uses less digits than its factorization.

111131620460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162806 (or 3162804 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 111131620460 its reverse (64026131111), we get a palindrome (175157751571).

The spelling of 111131620460 in words is "one hundred eleven billion, one hundred thirty-one million, six hundred twenty thousand, four hundred sixty".