11345240540 has 12 divisors (see below), whose sum is σ = 23825005176. Its totient is φ = 4538096208.

The previous prime is 11345240527. The next prime is 11345240561. The reversal of 11345240540 is 4504254311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283630994 + ... + 283631033.

It is an arithmetic number, because the mean of its divisors is an integer number (1985417098).

Almost surely, 2^11345240540 is an apocalyptic number.

11345240540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11345240540 is an abundant number, since it is smaller than the sum of its proper divisors (12479764636).

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

11345240540 is a wasteful number, since it uses less digits than its factorization.

11345240540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567262036 (or 567262034 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 11345240540 its reverse (4504254311), we get a palindrome (15849494851).

The spelling of 11345240540 in words is "eleven billion, three hundred forty-five million, two hundred forty thousand, five hundred forty".