11654125641 has 8 divisors (see below), whose sum is σ = 17265371360. Its totient is φ = 7769417076.

The previous prime is 11654125607. The next prime is 11654125667. The reversal of 11654125641 is 14652145611.

11654125641 is a `hidden beast` number, since 1 + 1 + 6 + 5 + 4 + 1 + 2 + 5 + 641 = 666.

11654125641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-11654125641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11654125596 and 11654125605.

It is not an unprimeable number, because it can be changed into a prime (11654125541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215817115 + ... + 215817168.

It is an arithmetic number, because the mean of its divisors is an integer number (2158171420).

Almost surely, 2^11654125641 is an apocalyptic number.

It is an amenable number.

11654125641 is a deficient number, since it is larger than the sum of its proper divisors (5611245719).

11654125641 is an equidigital number, since it uses as much as digits as its factorization.

11654125641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431634292 (or 431634286 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The spelling of 11654125641 in words is "eleven billion, six hundred fifty-four million, one hundred twenty-five thousand, six hundred forty-one".