1112143505550 has 96 divisors (see below), whose sum is σ = 3438689981184. Its totient is φ = 231094752000.

The previous prime is 1112143505549. The next prime is 1112143505563. The reversal of 1112143505550 is 555053412111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48133191 + ... + 48156290.

It is an arithmetic number, because the mean of its divisors is an integer number (35819687304).

Almost surely, 2^{1112143505550} is an apocalyptic number.

1112143505550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1112143505550 is an abundant number, since it is smaller than the sum of its proper divisors (2326546475634).

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

1112143505550 is a wasteful number, since it uses less digits than its factorization.

1112143505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96289514 (or 96289509 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 33.

Adding to 1112143505550 its reverse (555053412111), we get a palindrome (1667196917661).

The spelling of 1112143505550 in words is "one trillion, one hundred twelve billion, one hundred forty-three million, five hundred five thousand, five hundred fifty".