2101540423304 has 64 divisors (see below), whose sum is σ = 4526096572800. Its totient is φ = 896107852800.

The previous prime is 2101540423291. The next prime is 2101540423309. The reversal of 2101540423304 is 4033240451012.

It is not an unprimeable number, because it can be changed into a prime (2101540423309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14896859 + ... + 15037269.

It is an arithmetic number, because the mean of its divisors is an integer number (70720258950).

Almost surely, 2^{2101540423304} is an apocalyptic number.

It is an amenable number.

2101540423304 is an abundant number, since it is smaller than the sum of its proper divisors (2424556149496).

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

2101540423304 is a wasteful number, since it uses less digits than its factorization.

2101540423304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141774 (or 141770 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 2101540423304 its reverse (4033240451012), we get a palindrome (6134780874316).

The spelling of 2101540423304 in words is "two trillion, one hundred one billion, five hundred forty million, four hundred twenty-three thousand, three hundred four".