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11880941551 is a prime number
BaseRepresentation
bin10110001000010100…
…01100011111101111
31010200000002100212021
423010022030133233
5143313010112201
65242533451011
7600264223363
oct130412143757
933600070767
1011880941551
115047533266
122376aa0a67
1311745aa33b
14809ca92a3
154980a3ea1
hex2c428c7ef

11880941551 has 2 divisors, whose sum is σ = 11880941552. Its totient is φ = 11880941550.

The previous prime is 11880941543. The next prime is 11880941557. The reversal of 11880941551 is 15514908811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11880941551 - 23 = 11880941543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11880941498 and 11880941507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11880941557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5940470775 + 5940470776.

It is an arithmetic number, because the mean of its divisors is an integer number (5940470776).

Almost surely, 211880941551 is an apocalyptic number.

11880941551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11880941551 is an equidigital number, since it uses as much as digits as its factorization.

11880941551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 43.

The spelling of 11880941551 in words is "eleven billion, eight hundred eighty million, nine hundred forty-one thousand, five hundred fifty-one".