19113456356 has 48 divisors (see below), whose sum is σ = 34661329920. Its totient is φ = 9216979200.

The previous prime is 19113456319. The next prime is 19113456359. The reversal of 19113456356 is 65365431191.

It is not an unprimeable number, because it can be changed into a prime (19113456359) 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, 8535485 + ... + 8537723.

It is an arithmetic number, because the mean of its divisors is an integer number (722111040).

Almost surely, 2^19113456356 is an apocalyptic number.

It is an amenable number.

19113456356 is a deficient number, since it is larger than the sum of its proper divisors (15547873564).

19113456356 is a wasteful number, since it uses less digits than its factorization.

19113456356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964 (or 2962 counting only the distinct ones).

The product of its digits is 291600, while the sum is 44.

The spelling of 19113456356 in words is "nineteen billion, one hundred thirteen million, four hundred fifty-six thousand, three hundred fifty-six".