11030420977 has 2 divisors, whose sum is σ = 11030420978. Its totient is φ = 11030420976.

The previous prime is 11030420969. The next prime is 11030421011. The reversal of 11030420977 is 77902403011.

It is an a-pointer prime, because the next prime (11030421011) can be obtained adding 11030420977 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8761708816 + 2268712161 = 93604^2 + 47631^2 .

It is a cyclic number.

It is not a de Polignac number, because 11030420977 - 2³ = 11030420969 is a prime.

It is not a weakly prime, because it can be changed into another prime (11030426977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515210488 + 5515210489.

It is an arithmetic number, because the mean of its divisors is an integer number (5515210489).

Almost surely, 2^11030420977 is an apocalyptic number.

It is an amenable number.

11030420977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11030420977 is an equidigital number, since it uses as much as digits as its factorization.

11030420977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

Adding to 11030420977 its reverse (77902403011), we get a palindrome (88932823988).

The spelling of 11030420977 in words is "eleven billion, thirty million, four hundred twenty thousand, nine hundred seventy-seven".