11540540545 has 8 divisors (see below), whose sum is σ = 13849225920. Its totient is φ = 9232047600.

The previous prime is 11540540527. The next prime is 11540540563. The reversal of 11540540545 is 54504504511.

It is an interprime number because it is at equal distance from previous prime (11540540527) and next prime (11540540563).

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

It is not a de Polignac number, because 11540540545 - 2²¹ = 11538443393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11540540545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203020 + ... + 253570.

It is an arithmetic number, because the mean of its divisors is an integer number (1731153240).

Almost surely, 2^11540540545 is an apocalyptic number.

It is an amenable number.

11540540545 is a deficient number, since it is larger than the sum of its proper divisors (2308685375).

11540540545 is an equidigital number, since it uses as much as digits as its factorization.

11540540545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96215.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 11540540545 in words is "eleven billion, five hundred forty million, five hundred forty thousand, five hundred forty-five".