1053308080781 has 8 divisors (see below), whose sum is σ = 1158559753728. Its totient is φ = 957552799500.

The previous prime is 1053308080717. The next prime is 1053308080813. The reversal of 1053308080781 is 1870808033501.

It is not a de Polignac number, because 1053308080781 - 2⁶ = 1053308080717 is a prime.

It is a super-2 number, since 2×1053308080781² (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 (1053308080711) 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, 395681645 + ... + 395684306.

It is an arithmetic number, because the mean of its divisors is an integer number (144819969216).

Almost surely, 2^{1053308080781} is an apocalyptic number.

1053308080781 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1053308080781 is a deficient number, since it is larger than the sum of its proper divisors (105251672947).

1053308080781 is an frugal number, since it uses more digits than its factorization.

1053308080781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791365984 (or 791365962 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

Multiplying 1053308080781 by its sum of digits (44), we get a palindrome (46345555554364).

The spelling of 1053308080781 in words is "one trillion, fifty-three billion, three hundred eight million, eighty thousand, seven hundred eighty-one".