20860485011 has 2 divisors, whose sum is σ = 20860485012. Its totient is φ = 20860485010.

The previous prime is 20860484993. The next prime is 20860485047. The reversal of 20860485011 is 11058406802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20860485011 - 2³⁰ = 19786743187 is a prime.

It is not a weakly prime, because it can be changed into another prime (20860485071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10430242505 + 10430242506.

It is an arithmetic number, because the mean of its divisors is an integer number (10430242506).

Almost surely, 2^20860485011 is an apocalyptic number.

20860485011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20860485011 is an equidigital number, since it uses as much as digits as its factorization.

20860485011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 35.

The spelling of 20860485011 in words is "twenty billion, eight hundred sixty million, four hundred eighty-five thousand, eleven".