11520321405331 has 8 divisors (see below), whose sum is σ = 11563983545184. Its totient is φ = 11476737866880.

The previous prime is 11520321405287. The next prime is 11520321405361. The reversal of 11520321405331 is 13350412302511.

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

It is a cyclic number.

It is not a de Polignac number, because 11520321405331 - 2³³ = 11511731470739 is a prime.

It is a super-2 number, since 2×11520321405331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11520321405293 and 11520321405302.

It is not an unprimeable number, because it can be changed into a prime (11520321405361) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19356655 + ... + 19942936.

It is an arithmetic number, because the mean of its divisors is an integer number (1445497943148).

Almost surely, 2^{11520321405331} is an apocalyptic number.

11520321405331 is a deficient number, since it is larger than the sum of its proper divisors (43662139853).

11520321405331 is an equidigital number, since it uses as much as digits as its factorization.

11520321405331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39300701.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 11520321405331 its reverse (13350412302511), we get a palindrome (24870733707842).

The spelling of 11520321405331 in words is "eleven trillion, five hundred twenty billion, three hundred twenty-one million, four hundred five thousand, three hundred thirty-one".