11081560077 has 16 divisors (see below), whose sum is σ = 18762430080. Its totient is φ = 6332319936.

The previous prime is 11081560043. The next prime is 11081560093. The reversal of 11081560077 is 77006518011.

It is a happy number.

11081560077 is a `hidden beast` number, since 1 + 10 + 81 + 560 + 0 + 7 + 7 = 666.

It is not a de Polignac number, because 11081560077 - 2⁸ = 11081559821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11081580077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29316108 + ... + 29316485.

It is an arithmetic number, because the mean of its divisors is an integer number (1172651880).

Almost surely, 2^11081560077 is an apocalyptic number.

It is an amenable number.

11081560077 is a deficient number, since it is larger than the sum of its proper divisors (7680870003).

11081560077 is an equidigital number, since it uses as much as digits as its factorization.

11081560077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58632609 (or 58632603 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 36.

The spelling of 11081560077 in words is "eleven billion, eighty-one million, five hundred sixty thousand, seventy-seven".