11512321041 has 8 divisors (see below), whose sum is σ = 16530512320. Its totient is φ = 7084505232.

The previous prime is 11512321039. The next prime is 11512321061. The reversal of 11512321041 is 14012321511.

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

It is not a de Polignac number, because 11512321041 - 2¹ = 11512321039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11512320999 and 11512321017.

It is not an unprimeable number, because it can be changed into a prime (11512321061) 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, 147593821 + ... + 147593898.

It is an arithmetic number, because the mean of its divisors is an integer number (2066314040).

Almost surely, 2^11512321041 is an apocalyptic number.

It is an amenable number.

11512321041 is a deficient number, since it is larger than the sum of its proper divisors (5018191279).

11512321041 is a wasteful number, since it uses less digits than its factorization.

11512321041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295187735.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 11512321041 its reverse (14012321511), we get a palindrome (25524642552).

The spelling of 11512321041 in words is "eleven billion, five hundred twelve million, three hundred twenty-one thousand, forty-one".