11276614561 has 2 divisors, whose sum is σ = 11276614562. Its totient is φ = 11276614560.

The previous prime is 11276614553. The next prime is 11276614567. The reversal of 11276614561 is 16541667211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7789121536 + 3487493025 = 88256^2 + 59055^2 .

It is an emirp because it is prime and its reverse (16541667211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11276614561 - 2³ = 11276614553 is a prime.

It is not a weakly prime, because it can be changed into another prime (11276614567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5638307280 + 5638307281.

It is an arithmetic number, because the mean of its divisors is an integer number (5638307281).

Almost surely, 2^11276614561 is an apocalyptic number.

It is an amenable number.

11276614561 is a deficient number, since it is larger than the sum of its proper divisors (1).

11276614561 is an equidigital number, since it uses as much as digits as its factorization.

11276614561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The spelling of 11276614561 in words is "eleven billion, two hundred seventy-six million, six hundred fourteen thousand, five hundred sixty-one".