11420428757 has 2 divisors, whose sum is σ = 11420428758. Its totient is φ = 11420428756.

The previous prime is 11420428709. The next prime is 11420428771. The reversal of 11420428757 is 75782402411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7044077041 + 4376351716 = 83929^2 + 66154^2 .

It is a cyclic number.

It is not a de Polignac number, because 11420428757 - 2⁶ = 11420428693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11420428157) 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, 5710214378 + 5710214379.

It is an arithmetic number, because the mean of its divisors is an integer number (5710214379).

Almost surely, 2^11420428757 is an apocalyptic number.

It is an amenable number.

11420428757 is a deficient number, since it is larger than the sum of its proper divisors (1).

11420428757 is an equidigital number, since it uses as much as digits as its factorization.

11420428757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125440, while the sum is 41.

The spelling of 11420428757 in words is "eleven billion, four hundred twenty million, four hundred twenty-eight thousand, seven hundred fifty-seven".