11461405641 has 8 divisors (see below), whose sum is σ = 17464999104. Its totient is φ = 6549374640.

The previous prime is 11461405633. The next prime is 11461405651. The reversal of 11461405641 is 14650416411.

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

It is not a de Polignac number, because 11461405641 - 2³ = 11461405633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11461405651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272890590 + ... + 272890631.

It is an arithmetic number, because the mean of its divisors is an integer number (2183124888).

Almost surely, 2^11461405641 is an apocalyptic number.

It is an amenable number.

11461405641 is a deficient number, since it is larger than the sum of its proper divisors (6003593463).

11461405641 is an equidigital number, since it uses as much as digits as its factorization.

11461405641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545781231.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 11461405641 in words is "eleven billion, four hundred sixty-one million, four hundred five thousand, six hundred forty-one".