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2157560358011 is a prime number
BaseRepresentation
bin11111011001011000100…
…111100110010001111011
321122021001002110100022022
4133121120213212101323
5240322140422424021
64331100342145055
7311610233310302
oct37313047462173
97567032410268
102157560358011
1176201a6358a3
122aa19672218b
131285c3245746
14765d8385439
153b1ca6b31ab
hex1f6589e647b

2157560358011 has 2 divisors, whose sum is σ = 2157560358012. Its totient is φ = 2157560358010.

The previous prime is 2157560357983. The next prime is 2157560358029. The reversal of 2157560358011 is 1108530657512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2157560358011 - 230 = 2156486616187 is a prime.

It is a super-2 number, since 2×21575603580112 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2157560358311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1078780179005 + 1078780179006.

It is an arithmetic number, because the mean of its divisors is an integer number (1078780179006).

Almost surely, 22157560358011 is an apocalyptic number.

2157560358011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2157560358011 is an equidigital number, since it uses as much as digits as its factorization.

2157560358011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 44.

The spelling of 2157560358011 in words is "two trillion, one hundred fifty-seven billion, five hundred sixty million, three hundred fifty-eight thousand, eleven".