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11915513260201 is a prime number
BaseRepresentation
bin1010110101100100101111…
…1011110110100010101001
31120012010000121101000212101
42231121023323312202221
53030210432343311301
641201524454013401
72336603345405605
oct255311373664251
946163017330771
1011915513260201
113884382664801
121405381347261
13685821b74a65
142d29dcdca505
15159e3aad2701
hexad64bef68a9

11915513260201 has 2 divisors, whose sum is σ = 11915513260202. Its totient is φ = 11915513260200.

The previous prime is 11915513260187. The next prime is 11915513260213. The reversal of 11915513260201 is 10206231551911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5986536627600 + 5928976632601 = 2446740^2 + 2434949^2 .

It is an emirp because it is prime and its reverse (10206231551911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11915513260201 - 27 = 11915513260073 is a prime.

It is a super-4 number, since 4×119155132602014 (a number of 53 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (11915513290201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5957756630100 + 5957756630101.

It is an arithmetic number, because the mean of its divisors is an integer number (5957756630101).

Almost surely, 211915513260201 is an apocalyptic number.

It is an amenable number.

11915513260201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11915513260201 is an equidigital number, since it uses as much as digits as its factorization.

11915513260201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 37.

The spelling of 11915513260201 in words is "eleven trillion, nine hundred fifteen billion, five hundred thirteen million, two hundred sixty thousand, two hundred one".