11540140324 has 12 divisors (see below), whose sum is σ = 20215923084. Its totient is φ = 5764162304.

The previous prime is 11540140309. The next prime is 11540140331. The reversal of 11540140324 is 42304104511.

It can be written as a sum of positive squares in 2 ways, for example, as 5046681600 + 6493458724 = 71040^2 + 80582^2 .

It is a super-3 number, since 3×11540140324³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 1472569 + ... + 1480384.

It is an arithmetic number, because the mean of its divisors is an integer number (1684660257).

Almost surely, 2^11540140324 is an apocalyptic number.

It is an amenable number.

11540140324 is a deficient number, since it is larger than the sum of its proper divisors (8675782760).

11540140324 is a wasteful number, since it uses less digits than its factorization.

11540140324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953934 (or 2953932 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 11540140324 its reverse (42304104511), we get a palindrome (53844244835).

The spelling of 11540140324 in words is "eleven billion, five hundred forty million, one hundred forty thousand, three hundred twenty-four".