1020703666811 has 4 divisors (see below), whose sum is σ = 1044440961432. Its totient is φ = 996966372192.

The previous prime is 1020703666781. The next prime is 1020703666813. The reversal of 1020703666811 is 1186663070201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020703666811 - 2³⁸ = 745825759867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020703666813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11868647246 + ... + 11868647331.

It is an arithmetic number, because the mean of its divisors is an integer number (261110240358).

Almost surely, 2^{1020703666811} is an apocalyptic number.

1020703666811 is a deficient number, since it is larger than the sum of its proper divisors (23737294621).

1020703666811 is an equidigital number, since it uses as much as digits as its factorization.

1020703666811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23737294620.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 1020703666811 in words is "one trillion, twenty billion, seven hundred three million, six hundred sixty-six thousand, eight hundred eleven".