11541320414 has 64 divisors (see below), whose sum is σ = 19686240000. Its totient is φ = 5037258240.

The previous prime is 11541320393. The next prime is 11541320437. The reversal of 11541320414 is 41402314511.

It is a super-2 number, since 2×11541320414² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16051547 + ... + 16052265.

It is an arithmetic number, because the mean of its divisors is an integer number (307597500).

Almost surely, 2^11541320414 is an apocalyptic number.

11541320414 is a deficient number, since it is larger than the sum of its proper divisors (8144919586).

11541320414 is a wasteful number, since it uses less digits than its factorization.

11541320414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 11541320414 its reverse (41402314511), we get a palindrome (52943634925).

The spelling of 11541320414 in words is "eleven billion, five hundred forty-one million, three hundred twenty thousand, four hundred fourteen".