11020761 has 6 divisors (see below), whose sum is σ = 15918890. Its totient is φ = 7347168.

The previous prime is 11020753. The next prime is 11020769. The reversal of 11020761 is 16702011.

It is an interprime number because it is at equal distance from previous prime (11020753) and next prime (11020769).

It can be written as a sum of positive squares in only one way, i.e., 6859161 + 4161600 = 2619^2 + 2040^2 .

It is not a de Polignac number, because 11020761 - 2³ = 11020753 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 612256 + ... + 612273.

Almost surely, 2^11020761 is an apocalyptic number.

It is an amenable number.

11020761 is a deficient number, since it is larger than the sum of its proper divisors (4898129).

11020761 is a wasteful number, since it uses less digits than its factorization.

11020761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224535 (or 1224532 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 11020761 is about 3319.7531534739. The cubic root of 11020761 is about 222.5378364305.

Adding to 11020761 its reverse (16702011), we get a palindrome (27722772).

It can be divided in two parts, 11020 and 761, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 11020761 in words is "eleven million, twenty thousand, seven hundred sixty-one".