11054654431021 has 2 divisors, whose sum is σ = 11054654431022. Its totient is φ = 11054654431020.

The previous prime is 11054654431001. The next prime is 11054654431057. The reversal of 11054654431021 is 12013445645011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11051868069225 + 2786361796 = 3324435^2 + 52786^2 .

It is a cyclic number.

It is not a de Polignac number, because 11054654431021 - 2¹⁵ = 11054654398253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11054654431001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5527327215510 + 5527327215511.

It is an arithmetic number, because the mean of its divisors is an integer number (5527327215511).

Almost surely, 2^{11054654431021} is an apocalyptic number.

It is an amenable number.

11054654431021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11054654431021 is an equidigital number, since it uses as much as digits as its factorization.

11054654431021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 11054654431021 in words is "eleven trillion, fifty-four billion, six hundred fifty-four million, four hundred thirty-one thousand, twenty-one".