1515235040000 has 180 divisors, whose sum is σ = 4123072975560. Its totient is φ = 550993920000.

The previous prime is 1515235039979. The next prime is 1515235040051. The reversal of 1515235040000 is 405325151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1329536 + ... + 2190464.

Almost surely, 2^{1515235040000} is an apocalyptic number.

1515235040000 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 1515235040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2061536487780).

1515235040000 is an abundant number, since it is smaller than the sum of its proper divisors (2607837935560).

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

1515235040000 is an frugal number, since it uses more digits than its factorization.

1515235040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860976 (or 860947 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 1515235040000 in words is "one trillion, five hundred fifteen billion, two hundred thirty-five million, forty thousand".