2581120079 has 4 divisors (see below), whose sum is σ = 2581761600. Its totient is φ = 2580478560.

The previous prime is 2581120049. The next prime is 2581120169. The reversal of 2581120079 is 9700211852.

2581120079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2581120079 - 2²⁴ = 2564342863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2581120039) 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, 314687 + ... + 322784.

It is an arithmetic number, because the mean of its divisors is an integer number (645440400).

Almost surely, 2^2581120079 is an apocalyptic number.

2581120079 is a deficient number, since it is larger than the sum of its proper divisors (641521).

2581120079 is an equidigital number, since it uses as much as digits as its factorization.

2581120079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641520.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 2581120079 is about 50804.7249672705. The cubic root of 2581120079 is about 1371.7324202214.

The spelling of 2581120079 in words is "two billion, five hundred eighty-one million, one hundred twenty thousand, seventy-nine".