45515000010000 has 200 divisors, whose sum is σ = 147043670013504. Its totient is φ = 12127818560000.

The previous prime is 45515000009989. The next prime is 45515000010013. The reversal of 45515000010000 is 1000051554.

It is a tau number, because it is divible by the number of its divisors (200).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 37715965 + ... + 38904035.

Almost surely, 2^{45515000010000} is an apocalyptic number.

45515000010000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45515000010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73521835006752).

45515000010000 is an abundant number, since it is smaller than the sum of its proper divisors (101528670003504).

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

45515000010000 is a wasteful number, since it uses less digits than its factorization.

45515000010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189379 (or 1189358 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

Adding to 45515000010000 its reverse (1000051554), we get a palindrome (45516000061554).

The spelling of 45515000010000 in words is "forty-five trillion, five hundred fifteen billion, ten thousand".