11643830671252 has 24 divisors (see below), whose sum is σ = 23234974327656. Its totient is φ = 5057953594368.

The previous prime is 11643830671171. The next prime is 11643830671259. The reversal of 11643830671252 is 25217603834611.

It can be written as a sum of positive squares in 4 ways, for example, as 1422996095236 + 10220834576016 = 1192894^2 + 3197004^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11643830671196 and 11643830671205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11643830671259) 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, 6585876193 + ... + 6585877960.

It is an arithmetic number, because the mean of its divisors is an integer number (968123930319).

Almost surely, 2^{11643830671252} is an apocalyptic number.

It is an amenable number.

11643830671252 is a deficient number, since it is larger than the sum of its proper divisors (11591143656404).

11643830671252 is a wasteful number, since it uses less digits than its factorization.

11643830671252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13171754187 (or 13171754185 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 11643830671252 in words is "eleven trillion, six hundred forty-three billion, eight hundred thirty million, six hundred seventy-one thousand, two hundred fifty-two".