11662541401043 has 8 divisors (see below), whose sum is σ = 12561144506736. Its totient is φ = 10764150372000.

The previous prime is 11662541401037. The next prime is 11662541401111. The reversal of 11662541401043 is 34010414526611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11662541401043 - 2²⁶ = 11662474292179 is a prime.

It is a super-2 number, since 2×11662541401043² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11662541400988 and 11662541401006.

It is not an unprimeable number, because it can be changed into a prime (11662541401843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52904933 + ... + 53124918.

It is an arithmetic number, because the mean of its divisors is an integer number (1570143063342).

Almost surely, 2^{11662541401043} is an apocalyptic number.

11662541401043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11662541401043 is a deficient number, since it is larger than the sum of its proper divisors (898603105693).

11662541401043 is a wasteful number, since it uses less digits than its factorization.

11662541401043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106038325.

The product of its (nonzero) digits is 69120, while the sum is 38.

Adding to 11662541401043 its reverse (34010414526611), we get a palindrome (45672955927654).

The spelling of 11662541401043 in words is "eleven trillion, six hundred sixty-two billion, five hundred forty-one million, four hundred one thousand, forty-three".