11512031100001 has 2 divisors, whose sum is σ = 11512031100002. Its totient is φ = 11512031100000.

The previous prime is 11512031099993. The next prime is 11512031100103. The reversal of 11512031100001 is 10000113021511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6620967119376 + 4891063980625 = 2573124^2 + 2211575^2 .

It is a cyclic number.

It is not a de Polignac number, because 11512031100001 - 2³ = 11512031099993 is a prime.

It is not a weakly prime, because it can be changed into another prime (11512031110001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5756015550000 + 5756015550001.

It is an arithmetic number, because the mean of its divisors is an integer number (5756015550001).

Almost surely, 2^{11512031100001} is an apocalyptic number.

It is an amenable number.

11512031100001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11512031100001 is an equidigital number, since it uses as much as digits as its factorization.

11512031100001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 11512031100001 its reverse (10000113021511), we get a palindrome (21512144121512).

The spelling of 11512031100001 in words is "eleven trillion, five hundred twelve billion, thirty-one million, one hundred thousand, one".