10643211585398 has 16 divisors (see below), whose sum is σ = 18617862832800. Its totient is φ = 4561376393448.

The previous prime is 10643211585397. The next prime is 10643211585451. The reversal of 10643211585398 is 89358511234601.

It is a super-2 number, since 2×10643211585398² (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 (10643211585397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7757442161 + ... + 7757443532.

It is an arithmetic number, because the mean of its divisors is an integer number (1163616427050).

Almost surely, 2^{10643211585398} is an apocalyptic number.

10643211585398 is a deficient number, since it is larger than the sum of its proper divisors (7974651247402).

10643211585398 is an equidigital number, since it uses as much as digits as its factorization.

10643211585398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15514885716 (or 15514885702 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 10643211585398 in words is "ten trillion, six hundred forty-three billion, two hundred eleven million, five hundred eighty-five thousand, three hundred ninety-eight".