11840311291097 has 2 divisors, whose sum is σ = 11840311291098. Its totient is φ = 11840311291096.

The previous prime is 11840311291069. The next prime is 11840311291103. The reversal of 11840311291097 is 79019211304811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11684610812176 + 155700478921 = 3418276^2 + 394589^2 .

It is a cyclic number.

It is not a de Polignac number, because 11840311291097 - 2¹⁴ = 11840311274713 is a prime.

It is not a weakly prime, because it can be changed into another prime (11840311296097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5920155645548 + 5920155645549.

It is an arithmetic number, because the mean of its divisors is an integer number (5920155645549).

Almost surely, 2^{11840311291097} is an apocalyptic number.

It is an amenable number.

11840311291097 is a deficient number, since it is larger than the sum of its proper divisors (1).

11840311291097 is an equidigital number, since it uses as much as digits as its factorization.

11840311291097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 47.

The spelling of 11840311291097 in words is "eleven trillion, eight hundred forty billion, three hundred eleven million, two hundred ninety-one thousand, ninety-seven".