1515025455412 has 96 divisors (see below), whose sum is σ = 3262757621760. Its totient is φ = 600813227520.

The previous prime is 1515025455389. The next prime is 1515025455421. The reversal of 1515025455412 is 2145545205151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6703737 + ... + 6926047.

It is an arithmetic number, because the mean of its divisors is an integer number (33987058560).

Almost surely, 2^{1515025455412} 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 1515025455412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1631378810880).

1515025455412 is an abundant number, since it is smaller than the sum of its proper divisors (1747732166348).

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

1515025455412 is a wasteful number, since it uses less digits than its factorization.

1515025455412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222581 (or 222579 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 40.

The spelling of 1515025455412 in words is "one trillion, five hundred fifteen billion, twenty-five million, four hundred fifty-five thousand, four hundred twelve".