1011440320097 has 2 divisors, whose sum is σ = 1011440320098. Its totient is φ = 1011440320096.

The previous prime is 1011440320091. The next prime is 1011440320129. The reversal of 1011440320097 is 7900230441101.

It is an a-pointer prime, because the next prime (1011440320129) can be obtained adding 1011440320097 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 794895281761 + 216545038336 = 891569^2 + 465344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011440320097 is a prime.

It is a super-2 number, since 2×1011440320097² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011440320091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505720160048 + 505720160049.

It is an arithmetic number, because the mean of its divisors is an integer number (505720160049).

Almost surely, 2^{1011440320097} is an apocalyptic number.

It is an amenable number.

1011440320097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011440320097 is an equidigital number, since it uses as much as digits as its factorization.

1011440320097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

Adding to 1011440320097 its reverse (7900230441101), we get a palindrome (8911670761198).

The spelling of 1011440320097 in words is "one trillion, eleven billion, four hundred forty million, three hundred twenty thousand, ninety-seven".