261211114 has 8 divisors (see below), whose sum is σ = 392273280. Its totient is φ = 130453356.

The previous prime is 261211109. The next prime is 261211117. The reversal of 261211114 is 411112162.

261211114 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 261211091 and 261211100.

It is not an unprimeable number, because it can be changed into a prime (261211117) 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, 73944 + ... + 77395.

It is an arithmetic number, because the mean of its divisors is an integer number (49034160).

Almost surely, 2^261211114 is an apocalyptic number.

261211114 is a deficient number, since it is larger than the sum of its proper divisors (131062166).

261211114 is a wasteful number, since it uses less digits than its factorization.

261211114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152204.

The product of its digits is 96, while the sum is 19.

The square root of 261211114 is about 16162.0269149634. The cubic root of 261211114 is about 639.2399130806.

Adding to 261211114 its reverse (411112162), we get a palindrome (672323276).

The spelling of 261211114 in words is "two hundred sixty-one million, two hundred eleven thousand, one hundred fourteen".