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2385311111111 is a prime number
BaseRepresentation
bin100010101101011111100…
…111110001011111000111
322110000220102200100111002
4202231133213301133013
5303040104121023421
65023444035203515
7334222142624105
oct42553747613707
98400812610432
102385311111111
1183a671a34595
12326357a4659b
13143c1a944986
1483641c94c75
15420aa067b0b
hex22b5f9f17c7

2385311111111 has 2 divisors, whose sum is σ = 2385311111112. Its totient is φ = 2385311111110.

The previous prime is 2385311111069. The next prime is 2385311111123. The reversal of 2385311111111 is 1111111135832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2385311111111 - 222 = 2385306916807 is a prime.

2385311111111 is a modest number, since divided by 1111111 gives 238531 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2385311114111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1192655555555 + 1192655555556.

It is an arithmetic number, because the mean of its divisors is an integer number (1192655555556).

Almost surely, 22385311111111 is an apocalyptic number.

2385311111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2385311111111 is an equidigital number, since it uses as much as digits as its factorization.

2385311111111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 29.

Adding to 2385311111111 its reverse (1111111135832), we get a palindrome (3496422246943).

The spelling of 2385311111111 in words is "two trillion, three hundred eighty-five billion, three hundred eleven million, one hundred eleven thousand, one hundred eleven".