551402032122 has 16 divisors (see below), whose sum is σ = 1225337849280. Its totient is φ = 183800677356.

The previous prime is 551402032081. The next prime is 551402032123. The reversal of 551402032122 is 221230204155.

551402032122 is a `hidden beast` number, since 5 + 514 + 0 + 20 + 3 + 2 + 122 = 666.

It is a super-2 number, since 2×551402032122² (a number of 24 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (551402032123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5105574318 + ... + 5105574425.

It is an arithmetic number, because the mean of its divisors is an integer number (76583615580).

Almost surely, 2^551402032122 is an apocalyptic number.

551402032122 is an abundant number, since it is smaller than the sum of its proper divisors (673935817158).

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

551402032122 is a wasteful number, since it uses less digits than its factorization.

551402032122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10211148754 (or 10211148748 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 551402032122 its reverse (221230204155), we get a palindrome (772632236277).

The spelling of 551402032122 in words is "five hundred fifty-one billion, four hundred two million, thirty-two thousand, one hundred twenty-two".