111252241136 has 40 divisors (see below), whose sum is σ = 226776412464. Its totient is φ = 52802634240.

The previous prime is 111252241129. The next prime is 111252241141. The reversal of 111252241136 is 631142252111.

It is a happy number.

It is a super-2 number, since 2×111252241136² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111252241099 and 111252241108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2267510 + ... + 2316053.

Almost surely, 2^111252241136 is an apocalyptic number.

111252241136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111252241136 is an abundant number, since it is smaller than the sum of its proper divisors (115524171328).

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

111252241136 is a wasteful number, since it uses less digits than its factorization.

111252241136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583649 (or 4583643 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

Adding to 111252241136 its reverse (631142252111), we get a palindrome (742394493247).

The spelling of 111252241136 in words is "one hundred eleven billion, two hundred fifty-two million, two hundred forty-one thousand, one hundred thirty-six".