1131011400001 has 16 divisors (see below), whose sum is σ = 1374297788160. Its totient is φ = 908626590720.

The previous prime is 1131011399993. The next prime is 1131011400007. The reversal of 1131011400001 is 1000041101311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1131011400001 - 2³ = 1131011399993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131011400007) 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, 19689781 + ... + 19747138.

It is an arithmetic number, because the mean of its divisors is an integer number (85893611760).

Almost surely, 2^{1131011400001} is an apocalyptic number.

It is an amenable number.

1131011400001 is a deficient number, since it is larger than the sum of its proper divisors (243286388159).

1131011400001 is a wasteful number, since it uses less digits than its factorization.

1131011400001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39437184.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1131011400001 its reverse (1000041101311), we get a palindrome (2131052501312).

The spelling of 1131011400001 in words is "one trillion, one hundred thirty-one billion, eleven million, four hundred thousand, one".