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11425550431 is a prime number
BaseRepresentation
bin10101010010000010…
…00001000001011111
31002111021012002200111
422221001001001133
5141344420103211
65125425110451
7553064401441
oct125101010137
932437162614
1011425550431
114933475169
12226a488427
131101143839
147a5606491
1546d0ed421
hex2a904105f

11425550431 has 2 divisors, whose sum is σ = 11425550432. Its totient is φ = 11425550430.

The previous prime is 11425550407. The next prime is 11425550453. The reversal of 11425550431 is 13405552411.

It is a strong prime.

It is an emirp because it is prime and its reverse (13405552411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11425550431 - 229 = 10888679519 is a prime.

It is a super-2 number, since 2×114255504312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11425550393 and 11425550402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11423550431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5712775215 + 5712775216.

It is an arithmetic number, because the mean of its divisors is an integer number (5712775216).

Almost surely, 211425550431 is an apocalyptic number.

11425550431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11425550431 is an equidigital number, since it uses as much as digits as its factorization.

11425550431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 11425550431 in words is "eleven billion, four hundred twenty-five million, five hundred fifty thousand, four hundred thirty-one".