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11208400507 is a prime number
BaseRepresentation
bin10100111000001001…
…01001111001111011
31001221010120201222201
422130010221321323
5140423322304012
65052110531031
7544516555333
oct123404517173
931833521881
1011208400507
114831939217
122209806a77
131098163465
1478483c0c3
15459007857
hex29c129e7b

11208400507 has 2 divisors, whose sum is σ = 11208400508. Its totient is φ = 11208400506.

The previous prime is 11208400499. The next prime is 11208400571. The reversal of 11208400507 is 70500480211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11208400507 - 23 = 11208400499 is a prime.

It is not a weakly prime, because it can be changed into another prime (11208400607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5604200253 + 5604200254.

It is an arithmetic number, because the mean of its divisors is an integer number (5604200254).

Almost surely, 211208400507 is an apocalyptic number.

11208400507 is a deficient number, since it is larger than the sum of its proper divisors (1).

11208400507 is an equidigital number, since it uses as much as digits as its factorization.

11208400507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 28.

Adding to 11208400507 its reverse (70500480211), we get a palindrome (81708880718).

The spelling of 11208400507 in words is "eleven billion, two hundred eight million, four hundred thousand, five hundred seven".