11601100014991 has 2 divisors, whose sum is σ = 11601100014992. Its totient is φ = 11601100014990.

The previous prime is 11601100014949. The next prime is 11601100015069. The reversal of 11601100014991 is 19941000110611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11601100014991 - 2⁹ = 11601100014479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11601100014391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5800550007495 + 5800550007496.

It is an arithmetic number, because the mean of its divisors is an integer number (5800550007496).

Almost surely, 2^{11601100014991} is an apocalyptic number.

11601100014991 is a deficient number, since it is larger than the sum of its proper divisors (1).

11601100014991 is an equidigital number, since it uses as much as digits as its factorization.

11601100014991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 34.

The spelling of 11601100014991 in words is "eleven trillion, six hundred one billion, one hundred million, fourteen thousand, nine hundred ninety-one".