1001100055050 has 72 divisors (see below), whose sum is σ = 2806562270304. Its totient is φ = 255353054880.

The previous prime is 1001100055019. The next prime is 1001100055063. The reversal of 1001100055050 is 505500011001.

1001100055050 is a `hidden beast` number, since 1 + 0 + 0 + 110 + 0 + 0 + 550 + 5 + 0 = 666.

It is a super-2 number, since 2×1001100055050² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 48351972 + ... + 48372671.

It is an arithmetic number, because the mean of its divisors is an integer number (38980031532).

Almost surely, 2^{1001100055050} is an apocalyptic number.

1001100055050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001100055050 is an abundant number, since it is smaller than the sum of its proper divisors (1805462215254).

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

1001100055050 is a wasteful number, since it uses less digits than its factorization.

1001100055050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96724684 (or 96724676 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

Adding to 1001100055050 its reverse (505500011001), we get a palindrome (1506600066051).

The spelling of 1001100055050 in words is "one trillion, one billion, one hundred million, fifty-five thousand, fifty".