1131001200001 has 16 divisors (see below), whose sum is σ = 1213404440400. Its totient is φ = 1050443993088.

The previous prime is 1131001199969. The next prime is 1131001200041. The reversal of 1131001200001 is 1000021001311.

It can be written as a sum of positive squares in 8 ways, for example, as 35043465601 + 1095957734400 = 187199^2 + 1046880^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131001200001 - 2⁵ = 1131001199969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131001200041) 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, 845586 + ... + 1725403.

It is an arithmetic number, because the mean of its divisors is an integer number (75837777525).

Almost surely, 2^{1131001200001} is an apocalyptic number.

It is an amenable number.

1131001200001 is a deficient number, since it is larger than the sum of its proper divisors (82403240399).

1131001200001 is a wasteful number, since it uses less digits than its factorization.

1131001200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571348.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 1131001200001 its reverse (1000021001311), we get a palindrome (2131022201312).

The spelling of 1131001200001 in words is "one trillion, one hundred thirty-one billion, one million, two hundred thousand, one".