12515405010552 has 192 divisors, whose sum is σ = 34421042073600. Its totient is φ = 4107802325760.

The previous prime is 12515405010481. The next prime is 12515405010571. The reversal of 12515405010552 is 25501050451521.

12515405010552 is a `hidden beast` number, since 1 + 2 + 5 + 1 + 5 + 40 + 50 + 10 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 604803118 + ... + 604823810.

It is an arithmetic number, because the mean of its divisors is an integer number (179276260800).

Almost surely, 2^{12515405010552} is an apocalyptic number.

12515405010552 is a gapful number since it is divisible by the number (12) 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 12515405010552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17210521036800).

12515405010552 is an abundant number, since it is smaller than the sum of its proper divisors (21905637063048).

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

12515405010552 is a wasteful number, since it uses less digits than its factorization.

12515405010552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21338 (or 21331 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 36.

The spelling of 12515405010552 in words is "twelve trillion, five hundred fifteen billion, four hundred five million, ten thousand, five hundred fifty-two".