111013531000 has 32 divisors (see below), whose sum is σ = 259771664880. Its totient is φ = 44405412000.

The previous prime is 111013530983. The next prime is 111013531073. The reversal of 111013531000 is 135310111.

It is a super-2 number, since 2×111013531000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 55505766 + ... + 55507765.

Almost surely, 2^111013531000 is an apocalyptic number.

111013531000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111013531000 is an abundant number, since it is smaller than the sum of its proper divisors (148758133880).

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

111013531000 is a wasteful number, since it uses less digits than its factorization.

111013531000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111013552 (or 111013538 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 16.

Adding to 111013531000 its reverse (135310111), we get a palindrome (111148841111).

The spelling of 111013531000 in words is "one hundred eleven billion, thirteen million, five hundred thirty-one thousand".