355121544055 has 16 divisors (see below), whose sum is σ = 429312600000. Its totient is φ = 281989094400.

The previous prime is 355121543989. The next prime is 355121544073. The reversal of 355121544055 is 550445121553.

It is not a de Polignac number, because 355121544055 - 2⁷ = 355121543927 is a prime.

It is a super-2 number, since 2×355121544055² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 355121543999 and 355121544017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 754701 + ... + 1131289.

It is an arithmetic number, because the mean of its divisors is an integer number (26832037500).

Almost surely, 2^355121544055 is an apocalyptic number.

355121544055 is a deficient number, since it is larger than the sum of its proper divisors (74191055945).

355121544055 is a wasteful number, since it uses less digits than its factorization.

355121544055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377994.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 355121544055 in words is "three hundred fifty-five billion, one hundred twenty-one million, five hundred forty-four thousand, fifty-five".