11072678081 has 2 divisors, whose sum is σ = 11072678082. Its totient is φ = 11072678080.

The previous prime is 11072678047. The next prime is 11072678107. The reversal of 11072678081 is 18087627011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10395637681 + 677040400 = 101959^2 + 26020^2 .

It is a cyclic number.

It is not a de Polignac number, because 11072678081 - 2²⁶ = 11005569217 is a prime.

It is a super-2 number, since 2×11072678081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11072678011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5536339040 + 5536339041.

It is an arithmetic number, because the mean of its divisors is an integer number (5536339041).

Almost surely, 2^11072678081 is an apocalyptic number.

It is an amenable number.

11072678081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11072678081 is an equidigital number, since it uses as much as digits as its factorization.

11072678081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 41.

The spelling of 11072678081 in words is "eleven billion, seventy-two million, six hundred seventy-eight thousand, eighty-one".