11105532420 has 24 divisors (see below), whose sum is σ = 31095490944. Its totient is φ = 2961475296.

The previous prime is 11105532401. The next prime is 11105532469. The reversal of 11105532420 is 2423550111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92546044 + ... + 92546163.

It is an arithmetic number, because the mean of its divisors is an integer number (1295645456).

Almost surely, 2^11105532420 is an apocalyptic number.

11105532420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11105532420 is an abundant number, since it is smaller than the sum of its proper divisors (19989958524).

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

11105532420 is a wasteful number, since it uses less digits than its factorization.

11105532420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185092219 (or 185092217 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 11105532420 in words is "eleven billion, one hundred five million, five hundred thirty-two thousand, four hundred twenty".