1053428637781 has 12 divisors (see below), whose sum is σ = 1153511728740. Its totient is φ = 961469857920.

The previous prime is 1053428637743. The next prime is 1053428637841. The reversal of 1053428637781 is 1877368243501.

1053428637781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 539246423556 + 514182214225 = 734334^2 + 717065^2 .

It is not a de Polignac number, because 1053428637781 - 2³⁵ = 1019068899413 is a prime.

It is a super-2 number, since 2×1053428637781² (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 (1053428637281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35003530 + ... + 35033611.

It is an arithmetic number, because the mean of its divisors is an integer number (96125977395).

Almost surely, 2^{1053428637781} is an apocalyptic number.

It is an amenable number.

1053428637781 is a deficient number, since it is larger than the sum of its proper divisors (100083090959).

1053428637781 is an equidigital number, since it uses as much as digits as its factorization.

1053428637781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70037256 (or 70037243 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 1053428637781 in words is "one trillion, fifty-three billion, four hundred twenty-eight million, six hundred thirty-seven thousand, seven hundred eighty-one".