111151246552 has 32 divisors (see below), whose sum is σ = 219393720000. Its totient is φ = 52646688288.

The previous prime is 111151246537. The next prime is 111151246561. The reversal of 111151246552 is 255642151111.

It is a super-2 number, since 2×111151246552² (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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3837099 + ... + 3865957.

It is an arithmetic number, because the mean of its divisors is an integer number (6856053750).

Almost surely, 2^111151246552 is an apocalyptic number.

It is an amenable number.

111151246552 is a deficient number, since it is larger than the sum of its proper divisors (108242473448).

111151246552 is a wasteful number, since it uses less digits than its factorization.

111151246552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54223 (or 54219 counting only the distinct ones).

The product of its digits is 12000, while the sum is 34.

Adding to 111151246552 its reverse (255642151111), we get a palindrome (366793397663).

The spelling of 111151246552 in words is "one hundred eleven billion, one hundred fifty-one million, two hundred forty-six thousand, five hundred fifty-two".