1053880868569 has 3 divisors (see below), whose sum is σ = 1053881895157. Its totient is φ = 1053879841982.

The previous prime is 1053880868549. The next prime is 1053880868591. The reversal of 1053880868569 is 9658680883501.

It is a happy number.

The square root of 1053880868569 is 1026587.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1053880868569 - 2⁷ = 1053880868441 is a prime.

It is a super-2 number, since 2×1053880868569² (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 (1053880868549) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 513294 + ... + 1539880.

Almost surely, 2^{1053880868569} is an apocalyptic number.

1053880868569 is the 1026587-th square number.

1053880868569 is the 513294-th centered octagonal number.

It is an amenable number.

1053880868569 is a deficient number, since it is larger than the sum of its proper divisors (1026588).

1053880868569 is an frugal number, since it uses more digits than its factorization.

1053880868569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053174 (or 1026587 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 67.

The spelling of 1053880868569 in words is "one trillion, fifty-three billion, eight hundred eighty million, eight hundred sixty-eight thousand, five hundred sixty-nine".