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11231042597 is a prime number
BaseRepresentation
bin10100111010110110…
…00001110000100101
31001222201012002002122
422131123001300211
5141000121330342
65054240115325
7545213200265
oct123533016045
931881162078
1011231042597
1148436a3595
122215305b45
13109ca60348
147878537a5
1545aecb4d2
hex29d6c1c25

11231042597 has 2 divisors, whose sum is σ = 11231042598. Its totient is φ = 11231042596.

The previous prime is 11231042509. The next prime is 11231042609. The reversal of 11231042597 is 79524013211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11218834561 + 12208036 = 105919^2 + 3494^2 .

It is a cyclic number.

It is not a de Polignac number, because 11231042597 - 210 = 11231041573 is a prime.

It is a super-2 number, since 2×112310425972 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11231042507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615521298 + 5615521299.

It is an arithmetic number, because the mean of its divisors is an integer number (5615521299).

Almost surely, 211231042597 is an apocalyptic number.

It is an amenable number.

11231042597 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231042597 is an equidigital number, since it uses as much as digits as its factorization.

11231042597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 11231042597 in words is "eleven billion, two hundred thirty-one million, forty-two thousand, five hundred ninety-seven".