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11230415555 = 52578739623
BaseRepresentation
bin10100111010110001…
…01000101011000011
31001222200000012221212
422131120220223003
5140444441244210
65054214440335
7545204646212
oct123530505303
931880005855
1011230415555
114843305477
1222150630ab
13109c8a0b08
1478772d079
1545ae05805
hex29d628ac3

11230415555 has 8 divisors (see below), whose sum is σ = 13528937952. Its totient is φ = 8949372928.

The previous prime is 11230415531. The next prime is 11230415569. The reversal of 11230415555 is 55551403211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11230415555 - 226 = 11163306691 is a prime.

It is a super-2 number, since 2×112304155552 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4368527 + ... + 4371096.

It is an arithmetic number, because the mean of its divisors is an integer number (1691117244).

Almost surely, 211230415555 is an apocalyptic number.

11230415555 is a deficient number, since it is larger than the sum of its proper divisors (2298522397).

11230415555 is an equidigital number, since it uses as much as digits as its factorization.

11230415555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8739885.

The product of its (nonzero) digits is 15000, while the sum is 32.

Adding to 11230415555 its reverse (55551403211), we get a palindrome (66781818766).

The spelling of 11230415555 in words is "eleven billion, two hundred thirty million, four hundred fifteen thousand, five hundred fifty-five".

Divisors: 1 5 257 1285 8739623 43698115 2246083111 11230415555