551386336325 has 24 divisors (see below), whose sum is σ = 751241396640. Its totient is φ = 398123265600.

The previous prime is 551386336261. The next prime is 551386336339. The reversal of 551386336325 is 523633683155.

It is not a de Polignac number, because 551386336325 - 2⁶ = 551386336261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7174154 + ... + 7250603.

It is an arithmetic number, because the mean of its divisors is an integer number (31301724860).

Almost surely, 2^551386336325 is an apocalyptic number.

551386336325 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

551386336325 is a deficient number, since it is larger than the sum of its proper divisors (199855060315).

551386336325 is a wasteful number, since it uses less digits than its factorization.

551386336325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14424917 (or 14424912 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 50.

The spelling of 551386336325 in words is "five hundred fifty-one billion, three hundred eighty-six million, three hundred thirty-six thousand, three hundred twenty-five".