551501051412 has 24 divisors (see below), whose sum is σ = 1288747894336. Its totient is φ = 183560525568.

The previous prime is 551501051399. The next prime is 551501051417. The reversal of 551501051412 is 214150105155.

It is a self number, because there is not a number n which added to its sum of digits gives 551501051412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551501051417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34136368 + ... + 34152519.

Almost surely, 2^551501051412 is an apocalyptic number.

It is an amenable number.

551501051412 is an abundant number, since it is smaller than the sum of its proper divisors (737246842924).

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

551501051412 is a wasteful number, since it uses less digits than its factorization.

551501051412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68289567 (or 68289565 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 30.

Adding to 551501051412 its reverse (214150105155), we get a palindrome (765651156567).

The spelling of 551501051412 in words is "five hundred fifty-one billion, five hundred one million, fifty-one thousand, four hundred twelve".