4161120451 has 4 divisors (see below), whose sum is σ = 4161850000. Its totient is φ = 4160390904.

The previous prime is 4161120443. The next prime is 4161120473. The reversal of 4161120451 is 1540211614.

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

It is a cyclic number.

It is not a de Polignac number, because 4161120451 - 2³ = 4161120443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4161120851) 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, 356151 + ... + 367648.

It is an arithmetic number, because the mean of its divisors is an integer number (1040462500).

Almost surely, 2^4161120451 is an apocalyptic number.

4161120451 is a deficient number, since it is larger than the sum of its proper divisors (729549).

4161120451 is an equidigital number, since it uses as much as digits as its factorization.

4161120451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729548.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 4161120451 is about 64506.7473292523. The cubic root of 4161120451 is about 1608.4346823394.

The spelling of 4161120451 in words is "four billion, one hundred sixty-one million, one hundred twenty thousand, four hundred fifty-one".