11540056063545 has 80 divisors (see below), whose sum is σ = 21424322354688. Its totient is φ = 5938903393920.

The previous prime is 11540056063507. The next prime is 11540056063663. The reversal of 11540056063545 is 54536065004511.

11540056063545 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 0 + 0 + 5 + 6 + 0 + 635 + 4 + 5 = 666.

It is not a de Polignac number, because 11540056063545 - 2¹⁵ = 11540056030777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11540056063545.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2917914 + ... + 5620883.

Almost surely, 2^{11540056063545} is an apocalyptic number.

11540056063545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11540056063545 is a deficient number, since it is larger than the sum of its proper divisors (9884266291143).

11540056063545 is an equidigital number, since it uses as much as digits as its factorization.

11540056063545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8538932 (or 8538923 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 11540056063545 in words is "eleven trillion, five hundred forty billion, fifty-six million, sixty-three thousand, five hundred forty-five".