1131001032150 has 144 divisors (see below), whose sum is σ = 3325663268928. Its totient is φ = 273288600000.

The previous prime is 1131001032127. The next prime is 1131001032179. The reversal of 1131001032150 is 512301001311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1147525 + ... + 1891775.

It is an arithmetic number, because the mean of its divisors is an integer number (23094883812).

Almost surely, 2^{1131001032150} is an apocalyptic number.

1131001032150 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 1131001032150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1662831634464).

1131001032150 is an abundant number, since it is smaller than the sum of its proper divisors (2194662236778).

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

1131001032150 is a wasteful number, since it uses less digits than its factorization.

1131001032150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744587 (or 744579 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

Adding to 1131001032150 its reverse (512301001311), we get a palindrome (1643302033461).

The spelling of 1131001032150 in words is "one trillion, one hundred thirty-one billion, one million, thirty-two thousand, one hundred fifty".