19181143052153 has 8 divisors (see below), whose sum is σ = 19472315951808. Its totient is φ = 18892042557904.

The previous prime is 19181143052119. The next prime is 19181143052219. The reversal of 19181143052153 is 35125034118191.

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 19181143052153 - 2²⁰ = 19181142003577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19181143052353) 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, 518082701 + ... + 518119722.

It is an arithmetic number, because the mean of its divisors is an integer number (2434039493976).

Almost surely, 2^{19181143052153} is an apocalyptic number.

It is an amenable number.

19181143052153 is a deficient number, since it is larger than the sum of its proper divisors (291172899655).

19181143052153 is a wasteful number, since it uses less digits than its factorization.

19181143052153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036202703.

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 19181143052153 in words is "nineteen trillion, one hundred eighty-one billion, one hundred forty-three million, fifty-two thousand, one hundred fifty-three".