11540054622401 has 4 divisors (see below), whose sum is σ = 11851947990612. Its totient is φ = 11228161254192.

The previous prime is 11540054622293. The next prime is 11540054622443. The reversal of 11540054622401 is 10422645004511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10143110280625 + 1396944341776 = 3184825^2 + 1181924^2 .

It is a cyclic number.

It is not a de Polignac number, because 11540054622401 - 2¹⁸ = 11540054360257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11540054621401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155946684050 + ... + 155946684123.

It is an arithmetic number, because the mean of its divisors is an integer number (2962986997653).

Almost surely, 2^{11540054622401} is an apocalyptic number.

It is an amenable number.

11540054622401 is a deficient number, since it is larger than the sum of its proper divisors (311893368211).

11540054622401 is an equidigital number, since it uses as much as digits as its factorization.

11540054622401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311893368210.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 11540054622401 its reverse (10422645004511), we get a palindrome (21962699626912).

The spelling of 11540054622401 in words is "eleven trillion, five hundred forty billion, fifty-four million, six hundred twenty-two thousand, four hundred one".