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11145601409 is a prime number
BaseRepresentation
bin10100110000101010…
…00110000110000001
31001202202102012211012
422120111012012001
5140311233221114
65041544530305
7543125022515
oct123025060601
931682365735
1011145601409
1147aa446338
1221b0780995
131088146427
1477a372145
1545375063e
hex298546181

11145601409 has 2 divisors, whose sum is σ = 11145601410. Its totient is φ = 11145601408.

The previous prime is 11145601403. The next prime is 11145601471. The reversal of 11145601409 is 90410654111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10498051600 + 647549809 = 102460^2 + 25447^2 .

It is an emirp because it is prime and its reverse (90410654111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11145601409 is a prime.

It is not a weakly prime, because it can be changed into another prime (11145601403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5572800704 + 5572800705.

It is an arithmetic number, because the mean of its divisors is an integer number (5572800705).

Almost surely, 211145601409 is an apocalyptic number.

It is an amenable number.

11145601409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11145601409 is an equidigital number, since it uses as much as digits as its factorization.

11145601409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 11145601409 in words is "eleven billion, one hundred forty-five million, six hundred one thousand, four hundred nine".