551011100046 has 64 divisors (see below), whose sum is σ = 1216361221632. Its totient is φ = 165013200000.

The previous prime is 551011100039. The next prime is 551011100077. The reversal of 551011100046 is 640001110155.

It is a super-2 number, since 2×551011100046² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 551011099989 and 551011100025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3529911 + ... + 3682701.

It is an arithmetic number, because the mean of its divisors is an integer number (19005644088).

Almost surely, 2^551011100046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551011100046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608180610816).

551011100046 is an abundant number, since it is smaller than the sum of its proper divisors (665350121586).

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

551011100046 is a wasteful number, since it uses less digits than its factorization.

551011100046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153449.

The product of its (nonzero) digits is 600, while the sum is 24.

The spelling of 551011100046 in words is "five hundred fifty-one billion, eleven million, one hundred thousand, forty-six".