11061621277 has 6 divisors (see below), whose sum is σ = 12867600318. Its totient is φ = 9481389624.

The previous prime is 11061621271. The next prime is 11061621289. The reversal of 11061621277 is 77212616011.

11061621277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7832427001 + 3229194276 = 88501^2 + 56826^2 .

It is not a de Polignac number, because 11061621277 - 2¹¹ = 11061619229 is a prime.

It is a super-2 number, since 2×11061621277² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11061621271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112873638 + ... + 112873735.

It is an arithmetic number, because the mean of its divisors is an integer number (2144600053).

Almost surely, 2^11061621277 is an apocalyptic number.

It is an amenable number.

11061621277 is a deficient number, since it is larger than the sum of its proper divisors (1805979041).

11061621277 is an equidigital number, since it uses as much as digits as its factorization.

11061621277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225747387 (or 225747380 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The spelling of 11061621277 in words is "eleven billion, sixty-one million, six hundred twenty-one thousand, two hundred seventy-seven".