345515500000 has 252 divisors, whose sum is σ = 934770222288. Its totient is φ = 125620000000.

The previous prime is 345515499961. The next prime is 345515500019. The reversal of 345515500000 is 5515543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 60497145 + ... + 60502855.

It is an arithmetic number, because the mean of its divisors is an integer number (3709405644).

Almost surely, 2^345515500000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345515500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467385111144).

345515500000 is an abundant number, since it is smaller than the sum of its proper divisors (589254722288).

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

345515500000 is an frugal number, since it uses more digits than its factorization.

345515500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5773 (or 5729 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The spelling of 345515500000 in words is "three hundred forty-five billion, five hundred fifteen million, five hundred thousand".