2261350070561 has 8 divisors (see below), whose sum is σ = 2267112394560. Its totient is φ = 2255592333168.

The previous prime is 2261350070527. The next prime is 2261350070593. The reversal of 2261350070561 is 1650700531622.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2261350070561 - 2²⁶ = 2261282961697 is a prime.

It is a super-2 number, since 2×2261350070561² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2261350070461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158246 + ... + 2132543.

It is an arithmetic number, because the mean of its divisors is an integer number (283389049320).

Almost surely, 2^{2261350070561} is an apocalyptic number.

It is an amenable number.

2261350070561 is a deficient number, since it is larger than the sum of its proper divisors (5762323999).

2261350070561 is a wasteful number, since it uses less digits than its factorization.

2261350070561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293303.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 2261350070561 in words is "two trillion, two hundred sixty-one billion, three hundred fifty million, seventy thousand, five hundred sixty-one".