11055550601 has 4 divisors (see below), whose sum is σ = 11055796752. Its totient is φ = 11055304452.

The previous prime is 11055550591. The next prime is 11055550631. The reversal of 11055550601 is 10605555011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11055550601 - 2⁶ = 11055550537 is a prime.

It is a super-2 number, since 2×11055550601² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11055550631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34415 + ... + 152628.

It is an arithmetic number, because the mean of its divisors is an integer number (2763949188).

Almost surely, 2^11055550601 is an apocalyptic number.

It is an amenable number.

11055550601 is a deficient number, since it is larger than the sum of its proper divisors (246151).

11055550601 is an equidigital number, since it uses as much as digits as its factorization.

11055550601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246150.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 11055550601 in words is "eleven billion, fifty-five million, five hundred fifty thousand, six hundred one".