1105155400 has 24 divisors (see below), whose sum is σ = 2569486770. Its totient is φ = 442062080.

The previous prime is 1105155383. The next prime is 1105155407. The reversal of 1105155400 is 45515011.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 894847396 + 210308004 = 29914^2 + 14502^2 .

It is not an unprimeable number, because it can be changed into a prime (1105155407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2762689 + ... + 2763088.

Almost surely, 2^1105155400 is an apocalyptic number.

1105155400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105155400 is an abundant number, since it is smaller than the sum of its proper divisors (1464331370).

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

1105155400 is a wasteful number, since it uses less digits than its factorization.

1105155400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525793 (or 5525784 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1105155400 is about 33243.8776318287. The cubic root of 1105155400 is about 1033.8902744015.

The spelling of 1105155400 in words is "one billion, one hundred five million, one hundred fifty-five thousand, four hundred".