111091672001 has 2 divisors, whose sum is σ = 111091672002. Its totient is φ = 111091672000.

The previous prime is 111091671997. The next prime is 111091672007. The reversal of 111091672001 is 100276190111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102246457600 + 8845214401 = 319760^2 + 94049^2 .

It is a cyclic number.

It is not a de Polignac number, because 111091672001 - 2² = 111091671997 is a prime.

It is not a weakly prime, because it can be changed into another prime (111091672007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55545836000 + 55545836001.

It is an arithmetic number, because the mean of its divisors is an integer number (55545836001).

Almost surely, 2^111091672001 is an apocalyptic number.

It is an amenable number.

111091672001 is a deficient number, since it is larger than the sum of its proper divisors (1).

111091672001 is an equidigital number, since it uses as much as digits as its factorization.

111091672001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 29.

The spelling of 111091672001 in words is "one hundred eleven billion, ninety-one million, six hundred seventy-two thousand, one".