11461046561 has 16 divisors (see below), whose sum is σ = 11927575296. Its totient is φ = 11004000000.

The previous prime is 11461046551. The next prime is 11461046603. The reversal of 11461046561 is 16564016411.

It is a cyclic number.

It is not a de Polignac number, because 11461046561 - 2²² = 11456852257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11461046551) 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, 1746236 + ... + 1752786.

It is an arithmetic number, because the mean of its divisors is an integer number (745473456).

Almost surely, 2^11461046561 is an apocalyptic number.

It is an amenable number.

11461046561 is a deficient number, since it is larger than the sum of its proper divisors (466528735).

11461046561 is an equidigital number, since it uses as much as digits as its factorization.

11461046561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7264.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 11461046561 in words is "eleven billion, four hundred sixty-one million, forty-six thousand, five hundred sixty-one".