1020511116320 has 24 divisors (see below), whose sum is σ = 2410957512684. Its totient is φ = 408204446464.

The previous prime is 1020511116311. The next prime is 1020511116343. The reversal of 1020511116320 is 236111150201.

It can be written as a sum of positive squares in 2 ways, for example, as 864981841936 + 155529274384 = 930044^2 + 394372^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3189097079 + ... + 3189097398.

Almost surely, 2^{1020511116320} is an apocalyptic number.

1020511116320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020511116320 is an abundant number, since it is smaller than the sum of its proper divisors (1390446396364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020511116320 is an equidigital number, since it uses as much as digits as its factorization.

1020511116320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6378194492 (or 6378194484 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 1020511116320 its reverse (236111150201), we get a palindrome (1256622266521).

The spelling of 1020511116320 in words is "one trillion, twenty billion, five hundred eleven million, one hundred sixteen thousand, three hundred twenty".