11455420813 has 2 divisors, whose sum is σ = 11455420814. Its totient is φ = 11455420812.

The previous prime is 11455420807. The next prime is 11455420883. The reversal of 11455420813 is 31802455411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10616623369 + 838797444 = 103037^2 + 28962^2 .

It is a cyclic number.

It is not a de Polignac number, because 11455420813 - 2¹³ = 11455412621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11455420883) 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, 5727710406 + 5727710407.

It is an arithmetic number, because the mean of its divisors is an integer number (5727710407).

Almost surely, 2^11455420813 is an apocalyptic number.

It is an amenable number.

11455420813 is a deficient number, since it is larger than the sum of its proper divisors (1).

11455420813 is an equidigital number, since it uses as much as digits as its factorization.

11455420813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 11455420813 in words is "eleven billion, four hundred fifty-five million, four hundred twenty thousand, eight hundred thirteen".