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542225011987 is a prime number
BaseRepresentation
bin1111110001111110010…
…00010001010100010011
31220211120121000120101101
413320333020101110103
532340434100340422
61053032243445231
754113561361511
oct7707710212423
91824517016341
10542225011987
11199a57979a1a
1289106086817
133c19317b479
141c35b0dd4b1
15e187b27c27
hex7e3f211513

542225011987 has 2 divisors, whose sum is σ = 542225011988. Its totient is φ = 542225011986.

The previous prime is 542225011981. The next prime is 542225012027. The reversal of 542225011987 is 789110522245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542225011987 - 231 = 540077528339 is a prime.

It is not a weakly prime, because it can be changed into another prime (542225011981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271112505993 + 271112505994.

It is an arithmetic number, because the mean of its divisors is an integer number (271112505994).

Almost surely, 2542225011987 is an apocalyptic number.

542225011987 is a deficient number, since it is larger than the sum of its proper divisors (1).

542225011987 is an equidigital number, since it uses as much as digits as its factorization.

542225011987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 542225011987 in words is "five hundred forty-two billion, two hundred twenty-five million, eleven thousand, nine hundred eighty-seven".