11331252512540 has 48 divisors (see below), whose sum is σ = 24767188901280. Its totient is φ = 4349359929600.

The previous prime is 11331252512533. The next prime is 11331252512549. The reversal of 11331252512540 is 4521525213311.

11331252512540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11331252512540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331252512549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59833811 + ... + 60022890.

It is an arithmetic number, because the mean of its divisors is an integer number (515983102110).

Almost surely, 2^{11331252512540} is an apocalyptic number.

11331252512540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331252512540 is an abundant number, since it is smaller than the sum of its proper divisors (13435936388740).

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

11331252512540 is a wasteful number, since it uses less digits than its factorization.

11331252512540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119856902 (or 119856900 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 11331252512540 its reverse (4521525213311), we get a palindrome (15852777725851).

The spelling of 11331252512540 in words is "eleven trillion, three hundred thirty-one billion, two hundred fifty-two million, five hundred twelve thousand, five hundred forty".