1011104400 has 60 divisors (see below), whose sum is σ = 3238908272. Its totient is φ = 269627520.

The previous prime is 1011104389. The next prime is 1011104407. The reversal of 1011104400 is 44011101.

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 (12).

It is not an unprimeable number, because it can be changed into a prime (1011104407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420094 + ... + 422493.

Almost surely, 2^1011104400 is an apocalyptic number.

1011104400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011104400 is an abundant number, since it is smaller than the sum of its proper divisors (2227803872).

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

1011104400 is a wasteful number, since it uses less digits than its factorization.

1011104400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842608 (or 842597 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1011104400 is about 31797.8678530495. The cubic root of 1011104400 is about 1003.6878497126.

Adding to 1011104400 its reverse (44011101), we get a palindrome (1055115501).

The spelling of 1011104400 in words is "one billion, eleven million, one hundred four thousand, four hundred".