4611231624561 has 8 divisors (see below), whose sum is σ = 6149426119680. Its totient is φ = 3073595772912.

The previous prime is 4611231624557. The next prime is 4611231624607. The reversal of 4611231624561 is 1654261321164.

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

It is not a de Polignac number, because 4611231624561 - 2² = 4611231624557 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4611231624521) 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, 139641606 + ... + 139674623.

It is an arithmetic number, because the mean of its divisors is an integer number (768678264960).

Almost surely, 2^{4611231624561} is an apocalyptic number.

It is an amenable number.

4611231624561 is a deficient number, since it is larger than the sum of its proper divisors (1538194495119).

4611231624561 is a wasteful number, since it uses less digits than its factorization.

4611231624561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279321735.

The product of its digits is 207360, while the sum is 42.

The spelling of 4611231624561 in words is "four trillion, six hundred eleven billion, two hundred thirty-one million, six hundred twenty-four thousand, five hundred sixty-one".