355609491122 has 18 divisors (see below), whose sum is σ = 541124042079. Its totient is φ = 175270936540.

The previous prime is 355609491089. The next prime is 355609491187. The reversal of 355609491122 is 221194906553.

It can be written as a sum of positive squares in only one way, i.e., 177804745561 + 177804745561 = 421669^2 + 421669^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=421669.

It is a super-2 number, since 2×355609491122² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 59874029 + ... + 59879967.

Almost surely, 2^355609491122 is an apocalyptic number.

355609491122 is a deficient number, since it is larger than the sum of its proper divisors (185514550957).

355609491122 is an frugal number, since it uses more digits than its factorization.

355609491122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12022 (or 6012 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 355609491122 in words is "three hundred fifty-five billion, six hundred nine million, four hundred ninety-one thousand, one hundred twenty-two".