1112153550 has 48 divisors (see below), whose sum is σ = 2767239552. Its totient is φ = 295596000.

The previous prime is 1112153513. The next prime is 1112153561. The reversal of 1112153550 is 553512111.

It is a self number, because there is not a number n which added to its sum of digits gives 1112153550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33975 + ... + 58125.

It is an arithmetic number, because the mean of its divisors is an integer number (57650824).

Almost surely, 2^1112153550 is an apocalyptic number.

1112153550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112153550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1383619776).

1112153550 is an abundant number, since it is smaller than the sum of its proper divisors (1655086002).

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

1112153550 is a wasteful number, since it uses less digits than its factorization.

1112153550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24473 (or 24468 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1112153550 is about 33348.9662508450. The cubic root of 1112153550 is about 1036.0679774072.

Adding to 1112153550 its reverse (553512111), we get a palindrome (1665665661).

The spelling of 1112153550 in words is "one billion, one hundred twelve million, one hundred fifty-three thousand, five hundred fifty".