11523633331012 has 24 divisors (see below), whose sum is σ = 22709330203392. Its totient is φ = 5069046919200.

The previous prime is 11523633330901. The next prime is 11523633331033. The reversal of 11523633331012 is 21013333632511.

It is a super-2 number, since 2×11523633331012² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4224204403 + ... + 4224207130.

It is an arithmetic number, because the mean of its divisors is an integer number (946222091808).

Almost surely, 2^{11523633331012} is an apocalyptic number.

It is an amenable number.

11523633331012 is a deficient number, since it is larger than the sum of its proper divisors (11185696872380).

11523633331012 is a wasteful number, since it uses less digits than its factorization.

11523633331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448411579 (or 8448411577 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 34.

Adding to 11523633331012 its reverse (21013333632511), we get a palindrome (32536966963523).

The spelling of 11523633331012 in words is "eleven trillion, five hundred twenty-three billion, six hundred thirty-three million, three hundred thirty-one thousand, twelve".