4561630125601 has 4 divisors (see below), whose sum is σ = 4570061974804. Its totient is φ = 4553198276400.

The previous prime is 4561630125589. The next prime is 4561630125607. The reversal of 4561630125601 is 1065210361654.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3521342322576 + 1040287803025 = 1876524^2 + 1019945^2 .

It is a cyclic number.

It is not a de Polignac number, because 4561630125601 - 2¹⁹ = 4561629601313 is a prime.

It is a super-2 number, since 2×4561630125601² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4561630125607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4215923790 + ... + 4215924871.

It is an arithmetic number, because the mean of its divisors is an integer number (1142515493701).

Almost surely, 2^{4561630125601} is an apocalyptic number.

It is an amenable number.

4561630125601 is a deficient number, since it is larger than the sum of its proper divisors (8431849203).

4561630125601 is an equidigital number, since it uses as much as digits as its factorization.

4561630125601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8431849202.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 4561630125601 in words is "four trillion, five hundred sixty-one billion, six hundred thirty million, one hundred twenty-five thousand, six hundred one".