1500860397120 has 448 divisors, whose sum is σ = 5917548134400. Its totient is φ = 314513694720.

The previous prime is 1500860397077. The next prime is 1500860397137. The reversal of 1500860397120 is 217930680051.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3768486 + ... + 4147674.

It is an arithmetic number, because the mean of its divisors is an integer number (13208812800).

Almost surely, 2^{1500860397120} is an apocalyptic number.

1500860397120 is a gapful number since it is divisible by the number (10) 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 1500860397120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2958774067200).

1500860397120 is an abundant number, since it is smaller than the sum of its proper divisors (4416687737280).

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

1500860397120 is a wasteful number, since it uses less digits than its factorization.

1500860397120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379266 (or 379256 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 1500860397120 in words is "one trillion, five hundred billion, eight hundred sixty million, three hundred ninety-seven thousand, one hundred twenty".