11512043 has 16 divisors (see below), whose sum is σ = 13284000. Its totient is φ = 9902592.

The previous prime is 11512037. The next prime is 11512051. The reversal of 11512043 is 34021511.

It is a cyclic number.

It is not a de Polignac number, because 11512043 - 2⁶ = 11511979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11512013) 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, 8753 + ... + 9981.

It is an arithmetic number, because the mean of its divisors is an integer number (830250).

Almost surely, 2^11512043 is an apocalyptic number.

11512043 is a deficient number, since it is larger than the sum of its proper divisors (1771957).

11512043 is a wasteful number, since it uses less digits than its factorization.

11512043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 11512043 is about 3392.9401704127. The cubic root of 11512043 is about 225.7966361792.

Adding to 11512043 its reverse (34021511), we get a palindrome (45533554).

The spelling of 11512043 in words is "eleven million, five hundred twelve thousand, forty-three".