2561075101 has 8 divisors (see below), whose sum is σ = 2758593824. Its totient is φ = 2363629680.

The previous prime is 2561075089. The next prime is 2561075107. The reversal of 2561075101 is 1015701652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2561075101 - 2¹⁹ = 2560550813 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 2561075101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2561075107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70066 + ... + 100156.

It is an arithmetic number, because the mean of its divisors is an integer number (344824228).

Almost surely, 2^2561075101 is an apocalyptic number.

It is an amenable number.

2561075101 is a deficient number, since it is larger than the sum of its proper divisors (197518723).

2561075101 is a wasteful number, since it uses less digits than its factorization.

2561075101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36651.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 2561075101 is about 50607.0657220906. The cubic root of 2561075101 is about 1368.1722302120.

Adding to 2561075101 its reverse (1015701652), we get a palindrome (3576776753).

The spelling of 2561075101 in words is "two billion, five hundred sixty-one million, seventy-five thousand, one hundred one".