1028965255053 has 16 divisors (see below), whose sum is σ = 1381218153600. Its totient is φ = 681358829760.

The previous prime is 1028965254973. The next prime is 1028965255061. The reversal of 1028965255053 is 3505525698201.

It is a de Polignac number, because none of the positive numbers 2^k-1028965255053 is a prime.

It is a super-2 number, since 2×1028965255053² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1028965254987 and 1028965255005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028969255053) 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, 1489593 + ... + 2068046.

It is an arithmetic number, because the mean of its divisors is an integer number (86326134600).

Almost surely, 2^{1028965255053} is an apocalyptic number.

It is an amenable number.

1028965255053 is a deficient number, since it is larger than the sum of its proper divisors (352252898547).

1028965255053 is a wasteful number, since it uses less digits than its factorization.

1028965255053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558292.

The product of its (nonzero) digits is 3240000, while the sum is 51.

The spelling of 1028965255053 in words is "one trillion, twenty-eight billion, nine hundred sixty-five million, two hundred fifty-five thousand, fifty-three".