1053776521117 has 4 divisors (see below), whose sum is σ = 1055319386400. Its totient is φ = 1052233655836.

The previous prime is 1053776521087. The next prime is 1053776521139. The reversal of 1053776521117 is 7111256773501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1053776521117 - 2³⁵ = 1019416782749 is a prime.

It is a super-2 number, since 2×1053776521117² (a number of 25 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 (1053776521717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771431617 + ... + 771432982.

It is an arithmetic number, because the mean of its divisors is an integer number (263829846600).

Almost surely, 2^{1053776521117} is an apocalyptic number.

It is an amenable number.

1053776521117 is a deficient number, since it is larger than the sum of its proper divisors (1542865283).

1053776521117 is an equidigital number, since it uses as much as digits as its factorization.

1053776521117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542865282.

The product of its (nonzero) digits is 308700, while the sum is 46.

The spelling of 1053776521117 in words is "one trillion, fifty-three billion, seven hundred seventy-six million, five hundred twenty-one thousand, one hundred seventeen".