11512513031352 has 16 divisors (see below), whose sum is σ = 28781282578440. Its totient is φ = 3837504343776.

The previous prime is 11512513031311. The next prime is 11512513031359. The reversal of 11512513031352 is 25313031521511.

It is a super-2 number, since 2×11512513031352² (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 (11512513031359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239844021463 + ... + 239844021510.

Almost surely, 2^{11512513031352} is an apocalyptic number.

11512513031352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11512513031352 is an abundant number, since it is smaller than the sum of its proper divisors (17268769547088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11512513031352 is a wasteful number, since it uses less digits than its factorization.

11512513031352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479688042982 (or 479688042978 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 33.

Adding to 11512513031352 its reverse (25313031521511), we get a palindrome (36825544552863).

The spelling of 11512513031352 in words is "eleven trillion, five hundred twelve billion, five hundred thirteen million, thirty-one thousand, three hundred fifty-two".