11050423555 has 16 divisors (see below), whose sum is σ = 14086306080. Its totient is φ = 8293197312.

The previous prime is 11050423513. The next prime is 11050423561. The reversal of 11050423555 is 55532405011.

It is not a de Polignac number, because 11050423555 - 2¹⁷ = 11050292483 is a prime.

It is a super-2 number, since 2×11050423555² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185640 + ... + 237829.

It is an arithmetic number, because the mean of its divisors is an integer number (880394130).

Almost surely, 2^11050423555 is an apocalyptic number.

11050423555 is a deficient number, since it is larger than the sum of its proper divisors (3035882525).

11050423555 is a wasteful number, since it uses less digits than its factorization.

11050423555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423798.

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 11050423555 its reverse (55532405011), we get a palindrome (66582828566).

The spelling of 11050423555 in words is "eleven billion, fifty million, four hundred twenty-three thousand, five hundred fifty-five".