355478874553 has 16 divisors (see below), whose sum is σ = 397273890816. Its totient is φ = 315281085840.

The previous prime is 355478874551. The next prime is 355478874593.

It is a happy number.

355478874553 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 355478874553 - 2¹ = 355478874551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (355478874551) 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 15 ways as a sum of consecutive naturals, for example, 27225 + ... + 843622.

It is an arithmetic number, because the mean of its divisors is an integer number (24829618176).

Almost surely, 2^355478874553 is an apocalyptic number.

It is an amenable number.

355478874553 is a deficient number, since it is larger than the sum of its proper divisors (41795016263).

355478874553 is a wasteful number, since it uses less digits than its factorization.

355478874553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871764.

The product of its digits is 282240000, while the sum is 64.

The spelling of 355478874553 in words is "three hundred fifty-five billion, four hundred seventy-eight million, eight hundred seventy-four thousand, five hundred fifty-three".