355515542055 has 12 divisors (see below), whose sum is σ = 616226939640. Its totient is φ = 189608289072.

The previous prime is 355515542047. The next prime is 355515542059. The reversal of 355515542055 is 550245515553.

355515542055 is a `hidden beast` number, since 3 + 5 + 5 + 51 + 5 + 542 + 0 + 55 = 666.

It is not a de Polignac number, because 355515542055 - 2³ = 355515542047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 7900345379 = 355515542055 / (3 + 5 + 5 + 5 + 1 + 5 + 5 + 4 + 2 + 0 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 355515542055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355515542059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3950172645 + ... + 3950172734.

It is an arithmetic number, because the mean of its divisors is an integer number (51352244970).

Almost surely, 2^355515542055 is an apocalyptic number.

355515542055 is a deficient number, since it is larger than the sum of its proper divisors (260711397585).

355515542055 is a wasteful number, since it uses less digits than its factorization.

355515542055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900345390 (or 7900345387 counting only the distinct ones).

The product of its (nonzero) digits is 1875000, while the sum is 45.

The spelling of 355515542055 in words is "three hundred fifty-five billion, five hundred fifteen million, five hundred forty-two thousand, fifty-five".