11077561 has 8 divisors (see below), whose sum is σ = 12196800. Its totient is φ = 9977040.

The previous prime is 11077543. The next prime is 11077567. The reversal of 11077561 is 16577011.

11077561 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11077561 - 2⁵ = 11077529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11077567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3421 + ... + 5818.

It is an arithmetic number, because the mean of its divisors is an integer number (1524600).

Almost surely, 2^11077561 is an apocalyptic number.

11077561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11077561 is a deficient number, since it is larger than the sum of its proper divisors (1119239).

11077561 is a wasteful number, since it uses less digits than its factorization.

11077561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9359.

The product of its (nonzero) digits is 1470, while the sum is 28.

The square root of 11077561 is about 3328.2970119868. The cubic root of 11077561 is about 222.9194947594.

It can be divided in two parts, 1107 and 7561, that added together give a palindrome (8668).

The spelling of 11077561 in words is "eleven million, seventy-seven thousand, five hundred sixty-one".