1020514115453 has 16 divisors (see below), whose sum is σ = 1179305982720. Its totient is φ = 864994704000.

The previous prime is 1020514115443. The next prime is 1020514115461. The reversal of 1020514115453 is 3545114150201.

It is not a de Polignac number, because 1020514115453 - 2¹⁰ = 1020514114429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020514115443) 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, 320153 + ... + 1464078.

It is an arithmetic number, because the mean of its divisors is an integer number (73706623920).

Almost surely, 2^{1020514115453} is an apocalyptic number.

It is an amenable number.

1020514115453 is a deficient number, since it is larger than the sum of its proper divisors (158791867267).

1020514115453 is a wasteful number, since it uses less digits than its factorization.

1020514115453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785148.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 1020514115453 its reverse (3545114150201), we get a palindrome (4565628265654).

The spelling of 1020514115453 in words is "one trillion, twenty billion, five hundred fourteen million, one hundred fifteen thousand, four hundred fifty-three".