11540065421426 has 8 divisors (see below), whose sum is σ = 17906998067820. Its totient is φ = 5571066065488.

The previous prime is 11540065421317. The next prime is 11540065421441. The reversal of 11540065421426 is 62412456004511.

It can be written as a sum of positive squares in 2 ways, for example, as 10981833793225 + 558231628201 = 3313885^2 + 747149^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99483322541 + ... + 99483322656.

Almost surely, 2^{11540065421426} is an apocalyptic number.

11540065421426 is a deficient number, since it is larger than the sum of its proper divisors (6366932646394).

11540065421426 is a wasteful number, since it uses less digits than its factorization.

11540065421426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198966645228.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 11540065421426 in words is "eleven trillion, five hundred forty billion, sixty-five million, four hundred twenty-one thousand, four hundred twenty-six".