11761065 has 16 divisors (see below), whose sum is σ = 20908800. Its totient is φ = 6272496.

The previous prime is 11761051. The next prime is 11761067. The reversal of 11761065 is 56016711.

It is not a de Polignac number, because 11761065 - 2⁵ = 11761033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11761067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43425 + ... + 43694.

It is an arithmetic number, because the mean of its divisors is an integer number (1306800).

Almost surely, 2^11761065 is an apocalyptic number.

11761065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11761065 is a deficient number, since it is larger than the sum of its proper divisors (9147735).

11761065 is an equidigital number, since it uses as much as digits as its factorization.

11761065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87133 (or 87127 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 11761065 is about 3429.4409165344. The cubic root of 11761065 is about 227.4131375511.

Adding to 11761065 its reverse (56016711), we get a palindrome (67777776).

The spelling of 11761065 in words is "eleven million, seven hundred sixty-one thousand, sixty-five".