11520334463156 has 12 divisors (see below), whose sum is σ = 20165693163168. Its totient is φ = 5758707845112.

The previous prime is 11520334463147. The next prime is 11520334463173. The reversal of 11520334463156 is 65136443302511.

It is a happy number.

It is a super-2 number, since 2×11520334463156² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364828856 + ... + 364860431.

It is an arithmetic number, because the mean of its divisors is an integer number (1680474430264).

Almost surely, 2^{11520334463156} is an apocalyptic number.

It is an amenable number.

11520334463156 is a deficient number, since it is larger than the sum of its proper divisors (8645358700012).

11520334463156 is a wasteful number, since it uses less digits than its factorization.

11520334463156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729693238 (or 729693236 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

Adding to 11520334463156 its reverse (65136443302511), we get a palindrome (76656777765667).

The spelling of 11520334463156 in words is "eleven trillion, five hundred twenty billion, three hundred thirty-four million, four hundred sixty-three thousand, one hundred fifty-six".