11514521354140 has 48 divisors (see below), whose sum is σ = 27640416609792. Its totient is φ = 3947040841536.

The previous prime is 11514521354131. The next prime is 11514521354173. The reversal of 11514521354140 is 4145312541511.

It is a self number, because there is not a number n which added to its sum of digits gives 11514521354140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7583922 + ... + 8974681.

It is an arithmetic number, because the mean of its divisors is an integer number (575842012704).

Almost surely, 2^{11514521354140} is an apocalyptic number.

11514521354140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11514521354140 is an abundant number, since it is smaller than the sum of its proper divisors (16125895255652).

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

11514521354140 is a wasteful number, since it uses less digits than its factorization.

11514521354140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16563586 (or 16563584 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 37.

Adding to 11514521354140 its reverse (4145312541511), we get a palindrome (15659833895651).

The spelling of 11514521354140 in words is "eleven trillion, five hundred fourteen billion, five hundred twenty-one million, three hundred fifty-four thousand, one hundred forty".