5578557377351 has 4 divisors (see below), whose sum is σ = 6375494145552. Its totient is φ = 4781620609152.

The previous prime is 5578557377339. The next prime is 5578557377359. The reversal of 5578557377351 is 1537737558755.

It is a happy number.

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 5578557377351 - 2⁶ = 5578557377287 is a prime.

It is a super-2 number, since 2×5578557377351² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5578557377359) 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, 398468384090 + ... + 398468384103.

It is an arithmetic number, because the mean of its divisors is an integer number (1593873536388).

Almost surely, 2^{5578557377351} is an apocalyptic number.

5578557377351 is a deficient number, since it is larger than the sum of its proper divisors (796936768201).

5578557377351 is an equidigital number, since it uses as much as digits as its factorization.

5578557377351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796936768200.

The product of its digits is 540225000, while the sum is 68.

The spelling of 5578557377351 in words is "five trillion, five hundred seventy-eight billion, five hundred fifty-seven million, three hundred seventy-seven thousand, three hundred fifty-one".