1521536226048 has 648 divisors, whose sum is σ = 4829627872160. Its totient is φ = 460239667200.

The previous prime is 1521536226029. The next prime is 1521536226097. The reversal of 1521536226048 is 8406226351251.

1521536226048 is a `hidden beast` number, since 1 + 5 + 2 + 1 + 5 + 36 + 2 + 2 + 604 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1521536225994 and 1521536226012.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3720137268 + ... + 3720137676.

Almost surely, 2^{1521536226048} is an apocalyptic number.

1521536226048 is a gapful number since it is divisible by the number (18) 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 1521536226048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2414813936080).

1521536226048 is an abundant number, since it is smaller than the sum of its proper divisors (3308091646112).

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

1521536226048 is a wasteful number, since it uses less digits than its factorization.

1521536226048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 1521536226048 in words is "one trillion, five hundred twenty-one billion, five hundred thirty-six million, two hundred twenty-six thousand, forty-eight".