551515214405 has 8 divisors (see below), whose sum is σ = 662149675512. Its totient is φ = 440991226048.

The previous prime is 551515214399. The next prime is 551515214443. The reversal of 551515214405 is 504412515155.

It can be written as a sum of positive squares in 4 ways, for example, as 32494388644 + 519020825761 = 180262^2 + 720431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551515214405 - 2¹⁶ = 551515148869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27607202 + ... + 27627171.

It is an arithmetic number, because the mean of its divisors is an integer number (82768709439).

Almost surely, 2^551515214405 is an apocalyptic number.

It is an amenable number.

551515214405 is a deficient number, since it is larger than the sum of its proper divisors (110634461107).

551515214405 is a wasteful number, since it uses less digits than its factorization.

551515214405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55236375.

The product of its (nonzero) digits is 100000, while the sum is 38.

The spelling of 551515214405 in words is "five hundred fifty-one billion, five hundred fifteen million, two hundred fourteen thousand, four hundred five".