461611201641521 has 32 divisors (see below), whose sum is σ = 480108006604800. Its totient is φ = 443533917400704.

The previous prime is 461611201641487. The next prime is 461611201641581. The reversal of 461611201641521 is 125146102116164.

It is a cyclic number.

It is not a de Polignac number, because 461611201641521 - 2⁴⁶ = 391242457463857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (461611201641581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5342740880 + ... + 5342827278.

It is an arithmetic number, because the mean of its divisors is an integer number (15003375206400).

Almost surely, 2^{461611201641521} is an apocalyptic number.

It is an amenable number.

461611201641521 is a deficient number, since it is larger than the sum of its proper divisors (18496804963279).

461611201641521 is a wasteful number, since it uses less digits than its factorization.

461611201641521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93725.

The product of its (nonzero) digits is 69120, while the sum is 41.

Adding to 461611201641521 its reverse (125146102116164), we get a palindrome (586757303757685).

The spelling of 461611201641521 in words is "four hundred sixty-one trillion, six hundred eleven billion, two hundred one million, six hundred forty-one thousand, five hundred twenty-one".