1101044455020 has 72 divisors (see below), whose sum is σ = 3463532449104. Its totient is φ = 293611853376.

The previous prime is 1101044455019. The next prime is 1101044455103. The reversal of 1101044455020 is 205544401011.

1101044455020 is a `hidden beast` number, since 1 + 1 + 0 + 104 + 4 + 4 + 550 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113271319 + ... + 113281038.

Almost surely, 2^{1101044455020} is an apocalyptic number.

1101044455020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101044455020 is an abundant number, since it is smaller than the sum of its proper divisors (2362487994084).

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

1101044455020 is a wasteful number, since it uses less digits than its factorization.

1101044455020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226552381 (or 226552367 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 1101044455020 its reverse (205544401011), we get a palindrome (1306588856031).

The spelling of 1101044455020 in words is "one trillion, one hundred one billion, forty-four million, four hundred fifty-five thousand, twenty".