11453502106561 has 16 divisors (see below), whose sum is σ = 12160920657600. Its totient is φ = 10749864821760.

The previous prime is 11453502106549. The next prime is 11453502106573. The reversal of 11453502106561 is 16560120535411.

It is an interprime number because it is at equal distance from previous prime (11453502106549) and next prime (11453502106573).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11453502106561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11453502106531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8879890 + ... + 10087588.

It is an arithmetic number, because the mean of its divisors is an integer number (760057541100).

Almost surely, 2^{11453502106561} is an apocalyptic number.

It is an amenable number.

11453502106561 is a deficient number, since it is larger than the sum of its proper divisors (707418551039).

11453502106561 is a wasteful number, since it uses less digits than its factorization.

11453502106561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209264.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 11453502106561 in words is "eleven trillion, four hundred fifty-three billion, five hundred two million, one hundred six thousand, five hundred sixty-one".