11520322231653 has 48 divisors (see below), whose sum is σ = 16966078601472. Its totient is φ = 7531712160000.

The previous prime is 11520322231577. The next prime is 11520322231657. The reversal of 11520322231653 is 35613222302511.

11520322231653 is a `hidden beast` number, since 1 + 1 + 52 + 0 + 322 + 231 + 6 + 53 = 666.

It is not a de Polignac number, because 11520322231653 - 2⁴⁰ = 10420810603877 is a prime.

It is a super-2 number, since 2×11520322231653² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520322231657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42521608 + ... + 42791678.

It is an arithmetic number, because the mean of its divisors is an integer number (353459970864).

Almost surely, 2^{11520322231653} is an apocalyptic number.

It is an amenable number.

11520322231653 is a deficient number, since it is larger than the sum of its proper divisors (5445756369819).

11520322231653 is a wasteful number, since it uses less digits than its factorization.

11520322231653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270626 (or 270623 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 11520322231653 in words is "eleven trillion, five hundred twenty billion, three hundred twenty-two million, two hundred thirty-one thousand, six hundred fifty-three".