997560519150 has 96 divisors (see below), whose sum is σ = 2670190034400. Its totient is φ = 245006254080.

The previous prime is 997560519127. The next prime is 997560519167. The reversal of 997560519150 is 51915065799.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 305874 + ... + 1445226.

It is an arithmetic number, because the mean of its divisors is an integer number (27814479525).

Almost surely, 2^997560519150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 997560519150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335095017200).

997560519150 is an abundant number, since it is smaller than the sum of its proper divisors (1672629515250).

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

997560519150 is a wasteful number, since it uses less digits than its factorization.

997560519150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139830 (or 1139825 counting only the distinct ones).

The product of its (nonzero) digits is 3827250, while the sum is 57.

The spelling of 997560519150 in words is "nine hundred ninety-seven billion, five hundred sixty million, five hundred nineteen thousand, one hundred fifty".