2801125799 has 4 divisors (see below), whose sum is σ = 2802868320. Its totient is φ = 2799383280.

The previous prime is 2801125757. The next prime is 2801125813. The reversal of 2801125799 is 9975211082.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2801125799 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 (2801125729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868847 + ... + 872064.

It is an arithmetic number, because the mean of its divisors is an integer number (700717080).

Almost surely, 2^2801125799 is an apocalyptic number.

2801125799 is a deficient number, since it is larger than the sum of its proper divisors (1742521).

2801125799 is a wasteful number, since it uses less digits than its factorization.

2801125799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742520.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 2801125799 is about 52925.6629528625. The cubic root of 2801125799 is about 1409.6486220982.

The spelling of 2801125799 in words is "two billion, eight hundred one million, one hundred twenty-five thousand, seven hundred ninety-nine".