5345520205551 has 4 divisors (see below), whose sum is σ = 7127360274072. Its totient is φ = 3563680137032.

The previous prime is 5345520205523. The next prime is 5345520205567. The reversal of 5345520205551 is 1555020255435.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5345520205551 - 2⁷ = 5345520205423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5345520205511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890920034256 + ... + 890920034261.

It is an arithmetic number, because the mean of its divisors is an integer number (1781840068518).

Almost surely, 2^{5345520205551} is an apocalyptic number.

5345520205551 is a deficient number, since it is larger than the sum of its proper divisors (1781840068521).

5345520205551 is a wasteful number, since it uses less digits than its factorization.

5345520205551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781840068520.

The product of its (nonzero) digits is 750000, while the sum is 42.

The spelling of 5345520205551 in words is "five trillion, three hundred forty-five billion, five hundred twenty million, two hundred five thousand, five hundred fifty-one".