2540153111320 has 96 divisors (see below), whose sum is σ = 6285608451360. Its totient is φ = 923184345600.

The previous prime is 2540153111317. The next prime is 2540153111347. The reversal of 2540153111320 is 231113510452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8718724 + ... + 9005356.

It is an arithmetic number, because the mean of its divisors is an integer number (65475088035).

Almost surely, 2^{2540153111320} is an apocalyptic number.

2540153111320 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 2540153111320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3142804225680).

2540153111320 is an abundant number, since it is smaller than the sum of its proper divisors (3745455340040).

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

2540153111320 is a wasteful number, since it uses less digits than its factorization.

2540153111320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288497 (or 288482 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 2540153111320 its reverse (231113510452), we get a palindrome (2771266621772).

The spelling of 2540153111320 in words is "two trillion, five hundred forty billion, one hundred fifty-three million, one hundred eleven thousand, three hundred twenty".