1053020142081 has 16 divisors (see below), whose sum is σ = 1560243222720. Its totient is φ = 701917405920.

The previous prime is 1053020142077. The next prime is 1053020142137. The reversal of 1053020142081 is 1802410203501.

1053020142081 is a `hidden beast` number, since 1 + 0 + 5 + 30 + 201 + 420 + 8 + 1 = 666.

It is not a de Polignac number, because 1053020142081 - 2² = 1053020142077 is a prime.

It is a super-2 number, since 2×1053020142081² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1053020142001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2465955 + ... + 2861288.

It is an arithmetic number, because the mean of its divisors is an integer number (97515201420).

Almost surely, 2^{1053020142081} is an apocalyptic number.

It is an amenable number.

1053020142081 is a deficient number, since it is larger than the sum of its proper divisors (507223080639).

1053020142081 is an equidigital number, since it uses as much as digits as its factorization.

1053020142081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334573 (or 5334567 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 1053020142081 its reverse (1802410203501), we get a palindrome (2855430345582).

The spelling of 1053020142081 in words is "one trillion, fifty-three billion, twenty million, one hundred forty-two thousand, eighty-one".