11105501040 has 60 divisors (see below), whose sum is σ = 37295976744. Its totient is φ = 2961466752.

The previous prime is 11105500981. The next prime is 11105501047. The reversal of 11105501040 is 4010550111.

It is a happy number.

11105501040 is a `hidden beast` number, since 1 + 1 + 10 + 550 + 104 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105501047) 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 11 ways as a sum of consecutive naturals, for example, 7711434 + ... + 7712873.

Almost surely, 2^11105501040 is an apocalyptic number.

11105501040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11105501040 is an abundant number, since it is smaller than the sum of its proper divisors (26190475704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11105501040 is a wasteful number, since it uses less digits than its factorization.

11105501040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15424326 (or 15424317 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The spelling of 11105501040 in words is "eleven billion, one hundred five million, five hundred one thousand, forty".