19963128114956 has 48 divisors (see below), whose sum is σ = 38848233086208. Its totient is φ = 8913830112000.

The previous prime is 19963128114949. The next prime is 19963128115027. The reversal of 19963128114956 is 65941182136991.

It is a junction number, because it is equal to n+sod(n) for n = 19963128114892 and 19963128114901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3445406 + ... + 7197018.

It is an arithmetic number, because the mean of its divisors is an integer number (809338189296).

Almost surely, 2^{19963128114956} is an apocalyptic number.

It is an amenable number.

19963128114956 is a deficient number, since it is larger than the sum of its proper divisors (18885104971252).

19963128114956 is a wasteful number, since it uses less digits than its factorization.

19963128114956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754962 (or 3754960 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 65.

The spelling of 19963128114956 in words is "nineteen trillion, nine hundred sixty-three billion, one hundred twenty-eight million, one hundred fourteen thousand, nine hundred fifty-six".