1142100504520 has 32 divisors (see below), whose sum is σ = 2593301614200. Its totient is φ = 452649005568.

The previous prime is 1142100504499. The next prime is 1142100504527. The reversal of 1142100504520 is 254050012411.

It can be written as a sum of positive squares in 4 ways, for example, as 963024270244 + 179076234276 = 981338^2 + 423174^2 .

It is not an unprimeable number, because it can be changed into a prime (1142100504527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130970469 + ... + 130979188.

Almost surely, 2^{1142100504520} is an apocalyptic number.

1142100504520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142100504520 is an abundant number, since it is smaller than the sum of its proper divisors (1451201109680).

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

1142100504520 is a wasteful number, since it uses less digits than its factorization.

1142100504520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261949777 (or 261949773 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 1142100504520 its reverse (254050012411), we get a palindrome (1396150516931).

The spelling of 1142100504520 in words is "one trillion, one hundred forty-two billion, one hundred million, five hundred four thousand, five hundred twenty".