1131532044100 has 36 divisors (see below), whose sum is σ = 2512527441424. Its totient is φ = 442086936480.

The previous prime is 1131532044089. The next prime is 1131532044113. The reversal of 1131532044100 is 14402351311.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 11 ways as a sum of consecutive naturals, for example, 131569194 + ... + 131577793.

Almost surely, 2^{1131532044100} is an apocalyptic number.

1131532044100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131532044100 is an abundant number, since it is smaller than the sum of its proper divisors (1380995397324).

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

1131532044100 is a wasteful number, since it uses less digits than its factorization.

1131532044100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263147044 (or 263147037 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1131532044100 its reverse (14402351311), we get a palindrome (1145934395411).

The spelling of 1131532044100 in words is "one trillion, one hundred thirty-one billion, five hundred thirty-two million, forty-four thousand, one hundred".