1105045520 has 40 divisors (see below), whose sum is σ = 2570621184. Its totient is φ = 441779072.

The previous prime is 1105045481. The next prime is 1105045523. The reversal of 1105045520 is 255405011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1105045520² = 2442251202544140800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1105045523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265697 + ... + 269823.

Almost surely, 2^1105045520 is an apocalyptic number.

1105045520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105045520 is an abundant number, since it is smaller than the sum of its proper divisors (1465575664).

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

1105045520 is a wasteful number, since it uses less digits than its factorization.

1105045520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7487 (or 7481 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 1105045520 is about 33242.2249556193. The cubic root of 1105045520 is about 1033.8560084426.

The spelling of 1105045520 in words is "one billion, one hundred five million, forty-five thousand, five hundred twenty".