551101000104 has 256 divisors, whose sum is σ = 1636862515200. Its totient is φ = 171383579136.

The previous prime is 551101000063. The next prime is 551101000139. The reversal of 551101000104 is 401000101155.

It is a happy number.

551101000104 is a `hidden beast` number, since 551 + 1 + 0 + 10 + 0 + 0 + 104 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 203582319 + ... + 203585025.

It is an arithmetic number, because the mean of its divisors is an integer number (6393994200).

Almost surely, 2^551101000104 is an apocalyptic number.

551101000104 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551101000104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818431257600).

551101000104 is an abundant number, since it is smaller than the sum of its proper divisors (1085761515096).

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

551101000104 is a wasteful number, since it uses less digits than its factorization.

551101000104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741 (or 3731 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

Adding to 551101000104 its reverse (401000101155), we get a palindrome (952101101259).

The spelling of 551101000104 in words is "five hundred fifty-one billion, one hundred one million, one hundred four", and thus it is an aban number.