11220798726477 has 12 divisors (see below), whose sum is σ = 16248646131900. Its totient is φ = 7461689830848.

The previous prime is 11220798726451. The next prime is 11220798726503. The reversal of 11220798726477 is 77462789702211.

11220798726477 is a `hidden beast` number, since 1 + 1 + 2 + 2 + 0 + 7 + 98 + 72 + 6 + 477 = 666.

It is an interprime number because it is at equal distance from previous prime (11220798726451) and next prime (11220798726503).

It can be written as a sum of positive squares in 2 ways, for example, as 7691187343401 + 3529611383076 = 2773299^2 + 1878726^2 .

It is not a de Polignac number, because 11220798726477 - 2¹² = 11220798722381 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220798722477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1570217352 + ... + 1570224497.

It is an arithmetic number, because the mean of its divisors is an integer number (1354053844325).

Almost surely, 2^{11220798726477} is an apocalyptic number.

It is an amenable number.

11220798726477 is a deficient number, since it is larger than the sum of its proper divisors (5027847405423).

11220798726477 is a wasteful number, since it uses less digits than its factorization.

11220798726477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140442252 (or 3140442249 counting only the distinct ones).

The product of its (nonzero) digits is 33191424, while the sum is 63.

The spelling of 11220798726477 in words is "eleven trillion, two hundred twenty billion, seven hundred ninety-eight million, seven hundred twenty-six thousand, four hundred seventy-seven".