10261105263616 has 33 divisors (see below), whose sum is σ = 20512394829511. Its totient is φ = 5130501379072.

The previous prime is 10261105263613. The next prime is 10261105263713. The reversal of 10261105263616 is 61636250116201.

It is a happy number.

The square root of 10261105263616 is 3203296.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10261105263613) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 102455421 + ... + 102555523.

Almost surely, 2^{10261105263616} is an apocalyptic number.

10261105263616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

10261105263616 is the 3203296-th square number.

It is an amenable number.

10261105263616 is a deficient number, since it is larger than the sum of its proper divisors (10251289565895).

10261105263616 is an frugal number, since it uses more digits than its factorization.

10261105263616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200226 (or 100105 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

Adding to 10261105263616 its reverse (61636250116201), we get a palindrome (71897355379817).

The spelling of 10261105263616 in words is "ten trillion, two hundred sixty-one billion, one hundred five million, two hundred sixty-three thousand, six hundred sixteen".