2801125801 has 4 divisors (see below), whose sum is σ = 2801311632. Its totient is φ = 2800939972.

The previous prime is 2801125757. The next prime is 2801125813. The reversal of 2801125801 is 1085211082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2801125801 - 2¹⁹ = 2800601513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2801125801.

It is not an unprimeable number, because it can be changed into a prime (2801120801) 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, 68095 + ... + 101188.

It is an arithmetic number, because the mean of its divisors is an integer number (700327908).

Almost surely, 2^2801125801 is an apocalyptic number.

It is an amenable number.

2801125801 is a deficient number, since it is larger than the sum of its proper divisors (185831).

2801125801 is a wasteful number, since it uses less digits than its factorization.

2801125801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185830.

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 2801125801 is about 52925.6629717569. The cubic root of 2801125801 is about 1409.6486224337.

Adding to 2801125801 its reverse (1085211082), we get a palindrome (3886336883).

The spelling of 2801125801 in words is "two billion, eight hundred one million, one hundred twenty-five thousand, eight hundred one".