11320535515321 has 16 divisors (see below), whose sum is σ = 11789797803264. Its totient is φ = 10859971377024.

The previous prime is 11320535515301. The next prime is 11320535515327. The reversal of 11320535515321 is 12351553502311.

It is a happy number.

11320535515321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11320535515321 - 2²¹ = 11320533418169 is a prime.

It is a super-3 number, since 3×11320535515321³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (11320535515327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7189866 + ... + 8621788.

It is an arithmetic number, because the mean of its divisors is an integer number (736862362704).

Almost surely, 2^{11320535515321} is an apocalyptic number.

It is an amenable number.

11320535515321 is a deficient number, since it is larger than the sum of its proper divisors (469262287943).

11320535515321 is a wasteful number, since it uses less digits than its factorization.

11320535515321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434960.

The product of its (nonzero) digits is 67500, while the sum is 37.

The spelling of 11320535515321 in words is "eleven trillion, three hundred twenty billion, five hundred thirty-five million, five hundred fifteen thousand, three hundred twenty-one".