11780061 has 8 divisors (see below), whose sum is σ = 16248480. Its totient is φ = 7582512.

The previous prime is 11780059. The next prime is 11780063. The reversal of 11780061 is 16008711.

It is an interprime number because it is at equal distance from previous prime (11780059) and next prime (11780063).

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

It is not a de Polignac number, because 11780061 - 2¹ = 11780059 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11780063) 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, 67615 + ... + 67788.

It is an arithmetic number, because the mean of its divisors is an integer number (2031060).

Almost surely, 2^11780061 is an apocalyptic number.

It is an amenable number.

11780061 is a deficient number, since it is larger than the sum of its proper divisors (4468419).

11780061 is a wasteful number, since it uses less digits than its factorization.

11780061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135435.

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 11780061 is about 3432.2093467619. The cubic root of 11780061 is about 227.5355078820.

Adding to 11780061 its reverse (16008711), we get a palindrome (27788772).

The spelling of 11780061 in words is "eleven million, seven hundred eighty thousand, sixty-one".