11540077 has 4 divisors (see below), whose sum is σ = 11547900. Its totient is φ = 11532256.

The previous prime is 11540069. The next prime is 11540099. The reversal of 11540077 is 77004511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3164841 + 8375236 = 1779^2 + 2894^2 .

It is a cyclic number.

It is not a de Polignac number, because 11540077 - 2³ = 11540069 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 (11540677) 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 3 ways as a sum of consecutive naturals, for example, 952 + ... + 4897.

It is an arithmetic number, because the mean of its divisors is an integer number (2886975).

Almost surely, 2^11540077 is an apocalyptic number.

It is an amenable number.

11540077 is a deficient number, since it is larger than the sum of its proper divisors (7823).

11540077 is an equidigital number, since it uses as much as digits as its factorization.

11540077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7822.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 11540077 is about 3397.0688836113. The cubic root of 11540077 is about 225.9797734267.

Adding to 11540077 its reverse (77004511), we get a palindrome (88544588).

The spelling of 11540077 in words is "eleven million, five hundred forty thousand, seventy-seven".