19113138995445 has 48 divisors (see below), whose sum is σ = 36823117923072. Its totient is φ = 9092127857280.

The previous prime is 19113138995407. The next prime is 19113138995471. The reversal of 19113138995445 is 54459983131191.

19113138995445 is a `hidden beast` number, since 1 + 9 + 1 + 1 + 3 + 1 + 3 + 89 + 9 + 544 + 5 = 666.

It is not a de Polignac number, because 19113138995445 - 2⁶ = 19113138995381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 364241709 + ... + 364294178.

It is an arithmetic number, because the mean of its divisors is an integer number (767148290064).

Almost surely, 2^{19113138995445} is an apocalyptic number.

19113138995445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19113138995445 is a deficient number, since it is larger than the sum of its proper divisors (17709978927627).

19113138995445 is a wasteful number, since it uses less digits than its factorization.

19113138995445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728535962 (or 728535959 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 63.

The spelling of 19113138995445 in words is "nineteen trillion, one hundred thirteen billion, one hundred thirty-eight million, nine hundred ninety-five thousand, four hundred forty-five".