11761985 has 8 divisors (see below), whose sum is σ = 14414976. Its totient is φ = 9209200.

The previous prime is 11761961. The next prime is 11761987. The reversal of 11761985 is 58916711.

11761985 is digitally balanced in base 2, because in such base 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 not a de Polignac number, because 11761985 - 2¹⁰ = 11760961 is a prime.

It is a super-2 number, since 2×11761985² = 276688582280450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11761987) 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, 24791 + ... + 25260.

It is an arithmetic number, because the mean of its divisors is an integer number (1801872).

Almost surely, 2^11761985 is an apocalyptic number.

It is an amenable number.

11761985 is a deficient number, since it is larger than the sum of its proper divisors (2652991).

11761985 is an equidigital number, since it uses as much as digits as its factorization.

11761985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50103.

The product of its digits is 15120, while the sum is 38.

The square root of 11761985 is about 3429.5750465619. The cubic root of 11761985 is about 227.4190671340.

The spelling of 11761985 in words is "eleven million, seven hundred sixty-one thousand, nine hundred eighty-five".