11520311543035 has 4 divisors (see below), whose sum is σ = 13824373851648. Its totient is φ = 9216249234424.

The previous prime is 11520311543023. The next prime is 11520311543057. The reversal of 11520311543035 is 53034511302511.

11520311543035 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11520311543035 is a prime.

It is a super-2 number, since 2×11520311543035² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152031154299 + ... + 1152031154308.

It is an arithmetic number, because the mean of its divisors is an integer number (3456093462912).

Almost surely, 2^{11520311543035} is an apocalyptic number.

11520311543035 is a deficient number, since it is larger than the sum of its proper divisors (2304062308613).

11520311543035 is an equidigital number, since it uses as much as digits as its factorization.

11520311543035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304062308612.

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 11520311543035 its reverse (53034511302511), we get a palindrome (64554822845546).

The spelling of 11520311543035 in words is "eleven trillion, five hundred twenty billion, three hundred eleven million, five hundred forty-three thousand, thirty-five".