1053171742064 has 80 divisors (see below), whose sum is σ = 2211459290880. Its totient is φ = 485865319680.

The previous prime is 1053171742013. The next prime is 1053171742067. The reversal of 1053171742064 is 4602471713501.

It is a super-2 number, since 2×1053171742064² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053171742067) 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, 102533249 + ... + 102543519.

It is an arithmetic number, because the mean of its divisors is an integer number (27643241136).

Almost surely, 2^{1053171742064} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1053171742064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1105729645440).

1053171742064 is an abundant number, since it is smaller than the sum of its proper divisors (1158287548816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1053171742064 is a wasteful number, since it uses less digits than its factorization.

1053171742064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13235 (or 13203 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 1053171742064 in words is "one trillion, fifty-three billion, one hundred seventy-one million, seven hundred forty-two thousand, sixty-four".