355555555555557 has 16 divisors (see below), whose sum is σ = 553326578860032. Its totient is φ = 198851739276720.

The previous prime is 355555555555513. The next prime is 355555555555559. The reversal of 355555555555557 is 755555555555553.

It is a happy number.

It is not a de Polignac number, because 355555555555557 - 2⁶ = 355555555555493 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355555555555559) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180119328069 + ... + 180119330042.

It is an arithmetic number, because the mean of its divisors is an integer number (34582911178752).

Almost surely, 2^{355555555555557} is an apocalyptic number.

It is an amenable number.

355555555555557 is a deficient number, since it is larger than the sum of its proper divisors (197771023304475).

355555555555557 is a wasteful number, since it uses less digits than its factorization.

355555555555557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360238658168.

The product of its digits is 25634765625, while the sum is 75.

The spelling of 355555555555557 in words is "three hundred fifty-five trillion, five hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-seven".