11521140023334 has 16 divisors (see below), whose sum is σ = 23046012873072. Its totient is φ = 3839757870048.

The previous prime is 11521140023321. The next prime is 11521140023339. The reversal of 11521140023334 is 43332004112511.

11521140023334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11521140023339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155494309 + ... + 155568384.

It is an arithmetic number, because the mean of its divisors is an integer number (1440375804567).

Almost surely, 2^{11521140023334} is an apocalyptic number.

11521140023334 is an abundant number, since it is smaller than the sum of its proper divisors (11524872849738).

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

11521140023334 is a wasteful number, since it uses less digits than its factorization.

11521140023334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311068871.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 11521140023334 its reverse (43332004112511), we get a palindrome (54853144135845).

The spelling of 11521140023334 in words is "eleven trillion, five hundred twenty-one billion, one hundred forty million, twenty-three thousand, three hundred thirty-four".