355121055544 has 16 divisors (see below), whose sum is σ = 669231941400. Its totient is φ = 176659204512.

The previous prime is 355121055521. The next prime is 355121055563. The reversal of 355121055544 is 445550121553.

It is a super-2 number, since 2×355121055544² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 355121055497 and 355121055506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112663734 + ... + 112666885.

Almost surely, 2^355121055544 is an apocalyptic number.

It is an amenable number.

355121055544 is a deficient number, since it is larger than the sum of its proper divisors (314110885856).

355121055544 is a wasteful number, since it uses less digits than its factorization.

355121055544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225330822 (or 225330818 counting only the distinct ones).

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

The spelling of 355121055544 in words is "three hundred fifty-five billion, one hundred twenty-one million, fifty-five thousand, five hundred forty-four".