10863621197 has 16 divisors (see below), whose sum is σ = 13513614912. Its totient is φ = 8580069120.

The previous prime is 10863621191. The next prime is 10863621199. The reversal of 10863621197 is 79112636801.

It is a cyclic number.

It is not a de Polignac number, because 10863621197 - 2¹⁴ = 10863604813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10863621191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2231963 + ... + 2236824.

It is an arithmetic number, because the mean of its divisors is an integer number (844600932).

Almost surely, 2^10863621197 is an apocalyptic number.

10863621197 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10863621197 is a deficient number, since it is larger than the sum of its proper divisors (2649993715).

10863621197 is a wasteful number, since it uses less digits than its factorization.

10863621197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468828.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 10863621197 in words is "ten billion, eight hundred sixty-three million, six hundred twenty-one thousand, one hundred ninety-seven".