11520047234 has 4 divisors (see below), whose sum is σ = 17280070854. Its totient is φ = 5760023616.

The previous prime is 11520047219. The next prime is 11520047249. The reversal of 11520047234 is 43274002511.

11520047234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43274002511 = 337 ⋅128409503.

It is an interprime number because it is at equal distance from previous prime (11520047219) and next prime (11520047249).

It can be written as a sum of positive squares in only one way, i.e., 7267051009 + 4252996225 = 85247^2 + 65215^2 .

It is a super-2 number, since 2×11520047234² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11520047197 and 11520047206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2880011807 + ... + 2880011810.

Almost surely, 2^11520047234 is an apocalyptic number.

11520047234 is a deficient number, since it is larger than the sum of its proper divisors (5760023620).

11520047234 is an equidigital number, since it uses as much as digits as its factorization.

11520047234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5760023619.

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 11520047234 its reverse (43274002511), we get a palindrome (54794049745).

The spelling of 11520047234 in words is "eleven billion, five hundred twenty million, forty-seven thousand, two hundred thirty-four".