1091502667680 has 192 divisors, whose sum is σ = 3452803780608. Its totient is φ = 289835893760.

The previous prime is 1091502667679. The next prime is 1091502667691. The reversal of 1091502667680 is 867662051901.

1091502667680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 173609497 + ... + 173615783.

It is an arithmetic number, because the mean of its divisors is an integer number (17983353024).

Almost surely, 2^{1091502667680} is an apocalyptic number.

1091502667680 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 1091502667680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1726401890304).

1091502667680 is an abundant number, since it is smaller than the sum of its proper divisors (2361301112928).

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

1091502667680 is a wasteful number, since it uses less digits than its factorization.

1091502667680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7779 (or 7771 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 1091502667680 in words is "one trillion, ninety-one billion, five hundred two million, six hundred sixty-seven thousand, six hundred eighty".