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111551115119 is a prime number
BaseRepresentation
bin110011111100011110…
…1101110111101101111
3101122221012002210022012
41213320331232331233
53311424041140434
6123125035311435
711026224555653
oct1477075567557
9348835083265
10111551115119
1143343772934
12197522ab57b
13a699977cc2
1455831d0a63
152d7d38c3ce
hex19f8f6ef6f

111551115119 has 2 divisors, whose sum is σ = 111551115120. Its totient is φ = 111551115118.

The previous prime is 111551115089. The next prime is 111551115121. The reversal of 111551115119 is 911511155111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111551115119 - 216 = 111551049583 is a prime.

It is a super-2 number, since 2×1115511151192 (a number of 23 digits) contains 22 as substring.

Together with 111551115121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111551115719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55775557559 + 55775557560.

It is an arithmetic number, because the mean of its divisors is an integer number (55775557560).

Almost surely, 2111551115119 is an apocalyptic number.

111551115119 is a deficient number, since it is larger than the sum of its proper divisors (1).

111551115119 is an equidigital number, since it uses as much as digits as its factorization.

111551115119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1125, while the sum is 32.

The spelling of 111551115119 in words is "one hundred eleven billion, five hundred fifty-one million, one hundred fifteen thousand, one hundred nineteen".