1120534121550 has 72 divisors (see below), whose sum is σ = 2905000802424. Its totient is φ = 285817378880.

The previous prime is 1120534121521. The next prime is 1120534121563. The reversal of 1120534121550 is 551214350211.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 35 ways as a sum of consecutive naturals, for example, 6981357 + ... + 7140056.

It is an arithmetic number, because the mean of its divisors is an integer number (40347233367).

Almost surely, 2^{1120534121550} is an apocalyptic number.

1120534121550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1120534121550 is an abundant number, since it is smaller than the sum of its proper divisors (1784466680874).

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

1120534121550 is a wasteful number, since it uses less digits than its factorization.

1120534121550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14121474 (or 14121446 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 1120534121550 its reverse (551214350211), we get a palindrome (1671748471761).

The spelling of 1120534121550 in words is "one trillion, one hundred twenty billion, five hundred thirty-four million, one hundred twenty-one thousand, five hundred fifty".