355161355520 has 72 divisors (see below), whose sum is σ = 878165191680. Its totient is φ = 137481799680.

The previous prime is 355161355511. The next prime is 355161355547. The reversal of 355161355520 is 25553161553.

It is a super-2 number, since 2×355161355520² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4435640 + ... + 4514999.

Almost surely, 2^355161355520 is an apocalyptic number.

It is an amenable number.

355161355520 is an abundant number, since it is smaller than the sum of its proper divisors (523003836160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

355161355520 is an equidigital number, since it uses as much as digits as its factorization.

355161355520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8950691 (or 8950677 counting only the distinct ones).

The product of its (nonzero) digits is 337500, while the sum is 41.

The spelling of 355161355520 in words is "three hundred fifty-five billion, one hundred sixty-one million, three hundred fifty-five thousand, five hundred twenty".