21193458315119 has 32 divisors (see below), whose sum is σ = 23171949158400. Its totient is φ = 19323270489600.

The previous prime is 21193458315103. The next prime is 21193458315191. The reversal of 21193458315119 is 91151385439112.

It is a happy number.

It is not a de Polignac number, because 21193458315119 - 2⁴ = 21193458315103 is a prime.

It is a super-2 number, since 2×21193458315119² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21193458312119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52903979 + ... + 53303075.

It is an arithmetic number, because the mean of its divisors is an integer number (724123411200).

Almost surely, 2^{21193458315119} is an apocalyptic number.

21193458315119 is a deficient number, since it is larger than the sum of its proper divisors (1978490843281).

21193458315119 is a wasteful number, since it uses less digits than its factorization.

21193458315119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400271.

The product of its digits is 1166400, while the sum is 53.

The spelling of 21193458315119 in words is "twenty-one trillion, one hundred ninety-three billion, four hundred fifty-eight million, three hundred fifteen thousand, one hundred nineteen".