1131200132001 has 16 divisors (see below), whose sum is σ = 1536796385280. Its totient is φ = 739869977600.

The previous prime is 1131200131973. The next prime is 1131200132089. The reversal of 1131200132001 is 1002310021311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1131200132001 - 2⁶ = 1131200131937 is a prime.

It is a super-2 number, since 2×1131200132001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131200132801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3508801 + ... + 3817601.

It is an arithmetic number, because the mean of its divisors is an integer number (96049774080).

Almost surely, 2^{1131200132001} is an apocalyptic number.

It is an amenable number.

1131200132001 is a deficient number, since it is larger than the sum of its proper divisors (405596253279).

1131200132001 is a wasteful number, since it uses less digits than its factorization.

1131200132001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331896.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1131200132001 its reverse (1002310021311), we get a palindrome (2133510153312).

The spelling of 1131200132001 in words is "one trillion, one hundred thirty-one billion, two hundred million, one hundred thirty-two thousand, one".