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11611056745 = 56133788273
BaseRepresentation
bin10101101000001001…
…01010101001101001
31002222012020210111201
422310010222221221
5142234412303440
65200053124201
7560506232251
oct126404525151
932865223451
1011611056745
114a19158872
122300629661
1311306c4aa2
147c20d4961
1547e54319a
hex2b412aa69

11611056745 has 8 divisors (see below), whose sum is σ = 13956001416. Its totient is φ = 9273689856.

The previous prime is 11611056707. The next prime is 11611056749. The reversal of 11611056745 is 54765011611.

It can be written as a sum of positive squares in 4 ways, for example, as 127148176 + 11483908569 = 11276^2 + 107163^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11611056745 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11611056749) 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, 1891072 + ... + 1897201.

It is an arithmetic number, because the mean of its divisors is an integer number (1744500177).

Almost surely, 211611056745 is an apocalyptic number.

It is an amenable number.

11611056745 is a deficient number, since it is larger than the sum of its proper divisors (2344944671).

11611056745 is an equidigital number, since it uses as much as digits as its factorization.

11611056745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788891.

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 11611056745 in words is "eleven billion, six hundred eleven million, fifty-six thousand, seven hundred forty-five".

Divisors: 1 5 613 3065 3788273 18941365 2322211349 11611056745