11190693706921 has 2 divisors, whose sum is σ = 11190693706922. Its totient is φ = 11190693706920.

The previous prime is 11190693706901. The next prime is 11190693706967. The reversal of 11190693706921 is 12960739609111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6428963091600 + 4761730615321 = 2535540^2 + 2182139^2 .

It is a cyclic number.

It is not a de Polignac number, because 11190693706921 - 2⁵ = 11190693706889 is a prime.

It is not a weakly prime, because it can be changed into another prime (11190693706901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5595346853460 + 5595346853461.

It is an arithmetic number, because the mean of its divisors is an integer number (5595346853461).

Almost surely, 2^{11190693706921} is an apocalyptic number.

It is an amenable number.

11190693706921 is a deficient number, since it is larger than the sum of its proper divisors (1).

11190693706921 is an equidigital number, since it uses as much as digits as its factorization.

11190693706921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 55.

The spelling of 11190693706921 in words is "eleven trillion, one hundred ninety billion, six hundred ninety-three million, seven hundred six thousand, nine hundred twenty-one".