1100428715461 has 2 divisors, whose sum is σ = 1100428715462. Its totient is φ = 1100428715460.

The previous prime is 1100428715443. The next prime is 1100428715473. The reversal of 1100428715461 is 1645178240011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 730843751236 + 369584964225 = 854894^2 + 607935^2 .

It is an emirp because it is prime and its reverse (1645178240011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1100428715461 - 2¹⁷ = 1100428584389 is a prime.

It is a super-2 number, since 2×1100428715461² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100428715761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550214357730 + 550214357731.

It is an arithmetic number, because the mean of its divisors is an integer number (550214357731).

Almost surely, 2^{1100428715461} is an apocalyptic number.

It is an amenable number.

1100428715461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100428715461 is an equidigital number, since it uses as much as digits as its factorization.

1100428715461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 1100428715461 in words is "one trillion, one hundred billion, four hundred twenty-eight million, seven hundred fifteen thousand, four hundred sixty-one".