11056155207 has 16 divisors (see below), whose sum is σ = 15784074720. Its totient is φ = 6859246592.

The previous prime is 11056155197. The next prime is 11056155251. The reversal of 11056155207 is 70255165011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11056155207 - 2⁴ = 11056155191 is a prime.

It is a super-2 number, since 2×11056155207² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11056155107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1213368 + ... + 1222445.

It is an arithmetic number, because the mean of its divisors is an integer number (986504670).

Almost surely, 2^11056155207 is an apocalyptic number.

11056155207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11056155207 is a deficient number, since it is larger than the sum of its proper divisors (4727919513).

11056155207 is a wasteful number, since it uses less digits than its factorization.

11056155207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435922.

The product of its (nonzero) digits is 10500, while the sum is 33.

The spelling of 11056155207 in words is "eleven billion, fifty-six million, one hundred fifty-five thousand, two hundred seven".