11415312204140 has 72 divisors (see below), whose sum is σ = 25960168730160. Its totient is φ = 4214534747904.

The previous prime is 11415312204089. The next prime is 11415312204151. The reversal of 11415312204140 is 4140221351411.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42518402 + ... + 42786038.

It is an arithmetic number, because the mean of its divisors is an integer number (360557899030).

Almost surely, 2^{11415312204140} is an apocalyptic number.

11415312204140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11415312204140 is an abundant number, since it is smaller than the sum of its proper divisors (14544856526020).

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

11415312204140 is a wasteful number, since it uses less digits than its factorization.

11415312204140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280291 (or 280276 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 11415312204140 its reverse (4140221351411), we get a palindrome (15555533555551).

The spelling of 11415312204140 in words is "eleven trillion, four hundred fifteen billion, three hundred twelve million, two hundred four thousand, one hundred forty".