19338055913512 has 64 divisors (see below), whose sum is σ = 42043593755520. Its totient is φ = 8167260803328.

The previous prime is 19338055913503. The next prime is 19338055913513. The reversal of 19338055913512 is 21531955083391.

It is not an unprimeable number, because it can be changed into a prime (19338055913513) 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, 3394683 + ... + 7085194.

It is an arithmetic number, because the mean of its divisors is an integer number (656931152430).

Almost surely, 2^{19338055913512} is an apocalyptic number.

It is an amenable number.

19338055913512 is an abundant number, since it is smaller than the sum of its proper divisors (22705537842008).

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

19338055913512 is a wasteful number, since it uses less digits than its factorization.

19338055913512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10480370 (or 10480366 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 55.

The spelling of 19338055913512 in words is "nineteen trillion, three hundred thirty-eight billion, fifty-five million, nine hundred thirteen thousand, five hundred twelve".