1053172005523 has 8 divisors (see below), whose sum is σ = 1153185977520. Its totient is φ = 953869877280.

The previous prime is 1053172005491. The next prime is 1053172005527. The reversal of 1053172005523 is 3255002713501.

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 1053172005523 - 2⁵ = 1053172005491 is a prime.

It is a super-2 number, since 2×1053172005523² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053172005527) 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, 177957840 + ... + 177963757.

It is an arithmetic number, because the mean of its divisors is an integer number (144148247190).

Almost surely, 2^{1053172005523} is an apocalyptic number.

1053172005523 is a deficient number, since it is larger than the sum of its proper divisors (100013971997).

1053172005523 is a wasteful number, since it uses less digits than its factorization.

1053172005523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355921877.

The product of its (nonzero) digits is 31500, while the sum is 34.

The spelling of 1053172005523 in words is "one trillion, fifty-three billion, one hundred seventy-two million, five thousand, five hundred twenty-three".