2665253319120 has 1920 divisors, whose sum is σ = 11543261184000. Its totient is φ = 548674560000.

The previous prime is 2665253319097. The next prime is 2665253319137. The reversal of 2665253319120 is 219133525662.

2665253319120 is a `hidden beast` number, since 2 + 6 + 6 + 5 + 2 + 533 + 1 + 91 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 10618538995 + ... + 10618539245.

It is an arithmetic number, because the mean of its divisors is an integer number (6012115200).

Almost surely, 2^{2665253319120} is an apocalyptic number.

2665253319120 is a gapful number since it is divisible by the number (20) 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 2665253319120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5771630592000).

2665253319120 is an abundant number, since it is smaller than the sum of its proper divisors (8878007864880).

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

2665253319120 is a wasteful number, since it uses less digits than its factorization.

2665253319120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 2665253319120 in words is "two trillion, six hundred sixty-five billion, two hundred fifty-three million, three hundred nineteen thousand, one hundred twenty".