11815061 has 8 divisors (see below), whose sum is σ = 12251904. Its totient is φ = 11381760.

The previous prime is 11815043. The next prime is 11815073. The reversal of 11815061 is 16051811.

It is a happy number.

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 11815061 - 2⁶ = 11814997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11815361) 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, 7226 + ... + 8708.

It is an arithmetic number, because the mean of its divisors is an integer number (1531488).

Almost surely, 2^11815061 is an apocalyptic number.

It is an amenable number.

11815061 is a deficient number, since it is larger than the sum of its proper divisors (436843).

11815061 is a wasteful number, since it uses less digits than its factorization.

11815061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771.

The product of its (nonzero) digits is 240, while the sum is 23.

The square root of 11815061 is about 3437.3043217033. The cubic root of 11815061 is about 227.7606303349.

Adding to 11815061 its reverse (16051811), we get a palindrome (27866872).

The spelling of 11815061 in words is "eleven million, eight hundred fifteen thousand, sixty-one".