11270560921 has 2 divisors, whose sum is σ = 11270560922. Its totient is φ = 11270560920.

The previous prime is 11270560879. The next prime is 11270560927. The reversal of 11270560921 is 12906507211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6058442896 + 5212118025 = 77836^2 + 72195^2 .

It is a cyclic number.

It is not a de Polignac number, because 11270560921 - 2⁷ = 11270560793 is a prime.

It is not a weakly prime, because it can be changed into another prime (11270560927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5635280460 + 5635280461.

It is an arithmetic number, because the mean of its divisors is an integer number (5635280461).

Almost surely, 2^11270560921 is an apocalyptic number.

It is an amenable number.

11270560921 is a deficient number, since it is larger than the sum of its proper divisors (1).

11270560921 is an equidigital number, since it uses as much as digits as its factorization.

11270560921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 11270560921 in words is "eleven billion, two hundred seventy million, five hundred sixty thousand, nine hundred twenty-one".