261101602410 has 32 divisors (see below), whose sum is σ = 683611468992. Its totient is φ = 63297358080.

The previous prime is 261101602403. The next prime is 261101602417. The reversal of 261101602410 is 14206101162.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (261101602403) and next prime (261101602417).

It is not an unprimeable number, because it can be changed into a prime (261101602417) 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, 395608159 + ... + 395608818.

It is an arithmetic number, because the mean of its divisors is an integer number (21362858406).

Almost surely, 2^261101602410 is an apocalyptic number.

261101602410 is an abundant number, since it is smaller than the sum of its proper divisors (422509866582).

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

261101602410 is a wasteful number, since it uses less digits than its factorization.

261101602410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791216998.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 261101602410 its reverse (14206101162), we get a palindrome (275307703572).

The spelling of 261101602410 in words is "two hundred sixty-one billion, one hundred one million, six hundred two thousand, four hundred ten".