551000001102 has 128 divisors (see below), whose sum is σ = 1229467852800. Its totient is φ = 163884518784.

The previous prime is 551000001091. The next prime is 551000001109. The reversal of 551000001102 is 201100000155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551000001109) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139739343 + ... + 139743285.

It is an arithmetic number, because the mean of its divisors is an integer number (9605217600).

Almost surely, 2^551000001102 is an apocalyptic number.

551000001102 is an abundant number, since it is smaller than the sum of its proper divisors (678467851698).

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

551000001102 is a wasteful number, since it uses less digits than its factorization.

551000001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022.

The product of its (nonzero) digits is 50, while the sum is 15.

Adding to 551000001102 its reverse (201100000155), we get a palindrome (752100001257).

The spelling of 551000001102 in words is "five hundred fifty-one billion, one thousand, one hundred two".