2261350322761 has 16 divisors (see below), whose sum is σ = 2329674439680. Its totient is φ = 2193676980480.

The previous prime is 2261350322717. The next prime is 2261350322771. The reversal of 2261350322761 is 1672230531622.

It is a cyclic number.

It is not a de Polignac number, because 2261350322761 - 2⁷ = 2261350322633 is a prime.

It is a super-2 number, since 2×2261350322761² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2261350322711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7523581 + ... + 7818373.

It is an arithmetic number, because the mean of its divisors is an integer number (145604652480).

Almost surely, 2^{2261350322761} is an apocalyptic number.

It is an amenable number.

2261350322761 is a deficient number, since it is larger than the sum of its proper divisors (68324116919).

2261350322761 is a wasteful number, since it uses less digits than its factorization.

2261350322761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295896.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 2261350322761 in words is "two trillion, two hundred sixty-one billion, three hundred fifty million, three hundred twenty-two thousand, seven hundred sixty-one".