15120633763648 has 112 divisors (see below), whose sum is σ = 34383814660224. Its totient is φ = 6462824417280.

The previous prime is 15120633763633. The next prime is 15120633763699. The reversal of 15120633763648 is 84636733602151.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693500715 + ... + 693522517.

Almost surely, 2^{15120633763648} 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 15120633763648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17191907330112).

15120633763648 is an abundant number, since it is smaller than the sum of its proper divisors (19263180896576).

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

15120633763648 is a wasteful number, since it uses less digits than its factorization.

15120633763648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25920 (or 25910 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 55.

The spelling of 15120633763648 in words is "fifteen trillion, one hundred twenty billion, six hundred thirty-three million, seven hundred sixty-three thousand, six hundred forty-eight".