19112271474207 has 8 divisors (see below), whose sum is σ = 25483786536240. Its totient is φ = 12741135364160.

The previous prime is 19112271474169. The next prime is 19112271474229. The reversal of 19112271474207 is 70247417221191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19112271474207 - 2²⁶ = 19112204365343 is a prime.

It is a super-2 number, since 2×19112271474207² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19112271474407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94620294 + ... + 94822067.

It is an arithmetic number, because the mean of its divisors is an integer number (3185473317030).

Almost surely, 2^{19112271474207} is an apocalyptic number.

19112271474207 is a deficient number, since it is larger than the sum of its proper divisors (6371515062033).

19112271474207 is a wasteful number, since it uses less digits than its factorization.

19112271474207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189475993.

The product of its (nonzero) digits is 395136, while the sum is 48.

Adding to 19112271474207 its reverse (70247417221191), we get a palindrome (89359688695398).

The spelling of 19112271474207 in words is "nineteen trillion, one hundred twelve billion, two hundred seventy-one million, four hundred seventy-four thousand, two hundred seven".