11005103918 has 32 divisors (see below), whose sum is σ = 18161431200. Its totient is φ = 4978161664.

The previous prime is 11005103891. The next prime is 11005103953. The reversal of 11005103918 is 81930150011.

It is a super-2 number, since 2×11005103918² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

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, 199238 + ... + 248406.

It is an arithmetic number, because the mean of its divisors is an integer number (567544725).

Almost surely, 2^11005103918 is an apocalyptic number.

11005103918 is a deficient number, since it is larger than the sum of its proper divisors (7156327282).

11005103918 is a wasteful number, since it uses less digits than its factorization.

11005103918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49444.

The product of its (nonzero) digits is 1080, while the sum is 29.

Adding to 11005103918 its reverse (81930150011), we get a palindrome (92935253929).

The spelling of 11005103918 in words is "eleven billion, five million, one hundred three thousand, nine hundred eighteen".