11561053 has 8 divisors (see below), whose sum is σ = 13668480. Its totient is φ = 9567600.

The previous prime is 11561027. The next prime is 11561087. The reversal of 11561053 is 35016511.

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

It is not a de Polignac number, because 11561053 - 2⁵ = 11561021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11561653) 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 7 ways as a sum of consecutive naturals, for example, 28273 + ... + 28678.

It is an arithmetic number, because the mean of its divisors is an integer number (1708560).

Almost surely, 2^11561053 is an apocalyptic number.

It is an amenable number.

11561053 is a deficient number, since it is larger than the sum of its proper divisors (2107427).

11561053 is an equidigital number, since it uses as much as digits as its factorization.

11561053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56987.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 11561053 is about 3400.1548494149. The cubic root of 11561053 is about 226.1166091001.

Adding to 11561053 its reverse (35016511), we get a palindrome (46577564).

It can be divided in two parts, 1156 and 1053, that added together give a square (2209 = 47²).

The spelling of 11561053 in words is "eleven million, five hundred sixty-one thousand, fifty-three".