2561135010 has 32 divisors (see below), whose sum is σ = 7024828032. Its totient is φ = 585402240.

The previous prime is 2561134999. The next prime is 2561135011. The reversal of 2561135010 is 105311652.

It is not an unprimeable number, because it can be changed into a prime (2561135011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6097731 + ... + 6098150.

It is an arithmetic number, because the mean of its divisors is an integer number (219525876).

Almost surely, 2^2561135010 is an apocalyptic number.

2561135010 is an abundant number, since it is smaller than the sum of its proper divisors (4463693022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2561135010 is a wasteful number, since it uses less digits than its factorization.

2561135010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12195898.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 2561135010 is about 50607.6576221425. The cubic root of 2561135010 is about 1368.1828982828.

Adding to 2561135010 its reverse (105311652), we get a palindrome (2666446662).

The spelling of 2561135010 in words is "two billion, five hundred sixty-one million, one hundred thirty-five thousand, ten".